SEIKO EPSON RN-AK0305S Watch Instruction Manual

June 13, 2024
SEIKO EPSON

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SEIKO EPSON RN-AK0305S Watch

Instruction manual< MAM59 >

Thank you for your purchase of our product.
To ensure prolonged use and optimum performance, please read this instruction manual carefully and familiarize yourself with the terms of the guarantee. Please keep this Instruction Manual in your hand and refer in time of need.

Safety precautions

In order to prevent injury to you and others, as well as damage to property, make sure to read and follow the instructions marked with the symbols below:

DANGER
A demarcation with this symbol represents the contents assuming immanent danger for death or serious injury when the product is used in any manner different from given instructions.

WARNING
Failure to follow the instruction may cause death or serious injury.

CAUTION
Failure to follow the instruction may cause injury or damage the device.

Product features

  • This watch is an automatic winding mechanical watch (with a hand winding mechanism).
  • In addition to displaying the time (hour, minute, second), it has the date indicator.
  • There is a second hand halt mechanism.
  • This watch uses the shock-absorber, that defend the balance with hairspring from impact.

Product specifications

SEIKO-EPSON-RNAK0305S-Watch- \(1\)

  • The daily accuracy is the advance and delay that the watch use at normal room temperature with a full wound mainspring, and left the dial up, when 24 hours passed.
  • Due to the characteristics of the mechanical watch, the accuracy of the watch when worn may not meet the specified accuracy, depending the working condition (portable time, the position of the watch, the motion of arm, mainspring tension, etc.)
  • Determine the deviation from not just a day but a period of about a week.

How to use the watch

[ Name and function of each part ]

SEIKO-EPSON-RNAK0305S-Watch- \(2\)

*Depend on the model, the position of the crown, the date indicator and the second hand may be different.

[Automatic winding Mechanism (with a manual wind)]

  • This watch is an automatic winding mechanical watch (with a hand winding mechanism).
  • The mainspring is wound by natural movements of your arm when wearing the watch on your wrist. In addition, you can also wind the mainspring by turning the r- watch stops, either swing the watch back and forth or turn the crown to wind the mainspring in order to start it. After the second hand starts moving, set the time.
  • When winding the mainspring, slowly turn the crown to the right (clockwise) while it is in the normal position. Turning the crown to the left (counterclockwise) has no effect. When the watch is in the stopped state, the mainspring can be wound sufficiently by rotating the crown approximately 30 times.
  • Since the crown will rotate even when winding is complete, wind the watch using the above number of turns as a guide.
  • Even if the mainspring is fully wound, it will not be over-wound as there is a slip mechanism.
  • If it is not wound enough, the watch may lose accuracy.
  • In order to maintain the watch’s accuracy, we recommend wearing the watch at least 8 hours a day.

[Screw-lock type crown model]

  • Depend on the model, it will be lock the crown screw into the case, the screw-lock type crown model.
  • This type of model, please carry out the following operation.
  • When adjusting the calendar and time use the manually winding mainspring turn the crown counterclockwise before loosen the screw.
  • After adjusting the calendar and time, turn the crown clockwise while pushing it use the manually winding mainspring, and tighten the screw firmly until stops.

How to adjust the time & the calendar

[How to adjust the time]

  • CD Pull the crown out the second hand is at  the 60 second position.
    ( The second hand stops. )

SEIKO-EPSON-RNAK0305S-Watch- \(5\)

  • Turn the crown counterclockwise to set the current time.
    Turn the crown in the hand advance direction (clockwise) intil the today’s date is displayed.
    It change to display r A.M.J

  • When correcting the time, first move the hand back few minutes before the current time, and then advance the hand slowly to the correct time.

  • Push the crown in to the normal  (0 click) position while listening to a time signal.

[24 hour hand]
Since the 24-hour hand is linked to the hour hand, it cannot be adjusted independently.
Depend on the model, the position of the date of indicator, the day of the week hand, the 24-hour hand and the crown may be different.

[How to adjust the date]
CAUTION
Do not adjust the date and the day of week at following time zone, since the watch is changing the date during that period. If you adjust the date and the day of week during this interval, the date shown rnay not change on the next day or it may cause a malfunction. To adjust the date during these hours, first turn the hour hand outside of this period. Then you can adjust the date.

  • Pull the crown out the first step.
    This watch can pull out the  second steps.

SEIKO-EPSON-RNAK0305S-Watch- \(6\)

  • Turn the crown counterclockwise,  adjust the date.
  • Turn the crown clockwise to adjust the day of week hand.
  • Push the crown into the normal position (0 position).

Adjust the date at the end of month
In months with thirty of fewer days, adjust the date on 1st day of the next month.

How to use the rotating bezel

Some models have a rotating bezel. Check the watch you purchased to see if it has a rotating bezel. Turn the rotating bezel and point the triangle mark (V) points at the minute hand. After some time has elapsed, you can read the amount of elapsed time by looking at the number (point) on the rotating bezel where the minute hand is currently pointing. By pointing the triangle mark(V) at a target time in the future, you can read the remaining time. The rotating bezel has a Latchet-device with the reverse-rotation prevention system. That becomes to prevent an unprepared turn by the shock, it can easy to set the scale, too.

The figure above shows that 20 minutes have passed since you started timing at 1 O minutes after 1 O o’clock.

How to use the internal rotating ring

Some model has the internal rotating ring. Turn the crown of the internal rotating ring, and adjust mark to the minute hand position.
The minute hand points at the internal rotation ring position which shows the lapsed time. And it can know the remaining time, mark set on the purpose time. SEIKO-EPSON-RNAK0305S-Watch- \(9\)

The figure above shows that 1 O minutes have passed since you started timing at 8 minutes after 1 O o’clock. Depend on the model, the crown of the internal rotating ring and mark design position may be different.

Handling precautions

Water-proof performance
WARNING

  • The watch, a water resistant for daily use (3 atm.) is available for face-washing etc, but avoid putting it in the water.
  • The watch, an enhanced water resistant for daily use I (5 atm.) is available for swimming, etc., but do not put it on all diving that include skin diving.
  • The watch, an enhanced water resistant for daily use II (10 or 20 atm.) is available for skin diving , but not for scuba diving using an air cylinder and saturation diving using helium gas.

SEIKO-EPSON-RNAK0305S-Watch- \(9\)

On some models WATER RESIST(ANT)*bar is shown as W.R.'”bar.
*Confirm an inscription of water-proof level on the dial or the case back of the watch, and use correctly according to the above-mentioned scopes of availability.

CAUTION

  • Make sure the crown is pushed in (normal position) when using the watch. If your watch is the screw-lock type crown and the button, make sure the crown and button is securely tightened.
  • Do not turn or pull out the crown and the button under the water or in the wet condition. Water may enter inside the watch and degrade water-proof capability.
  • For a non-water resistant for daily use watch, pay attention to temporary splashed waterdrops (water splash at facewashing, rain, etc,) and sweat. If the watch becomes wet from water or sweat, wipe it off with dry soft cloth. (J) Even if you are wearing a watch that is a water resistant for daily use, do not expose it directly to the powerful flow of water running from a water tap. The water pressure exceeding waterproofing performance can be encountered and may deteriorate water-proofness.
  • If your watch is water resistant for daily use, rinse the case with fresh water thoroughly when it is dipped in seawater. Then wipe the watch dry to prevent rust.
  • If the leather band is dipped in the water, it may lose its durability and be discolored or unglued. When using the watch in the water, replace the band with other material (metal or rubber) in advance.
  • There are slightly humidity inside the watch. If outer temperature is lower that inside the watch, the glass surface may become cloudy. If the cloudy of moisture is only temporary, the internal mechanism will not be damaged. However, if it remains cloudy for a long time, or if there is moisture inside the watch, consult your purchase shop or the Customer Service.

Shock

  • This watch is not influenced by light  sports such as golf. When you are engaged in more vigorous sports, you should take the watch off.
  • Do not drop the watch on the floor or hit it against the hard surfaces.

Magnetic field

  • The watch is _not influenced by the electromagnetic fields produced by home  electric appliances.

CAUTION

  • Keep the watch away from the magnets, magnetic health aids (gadgets for relieving stiff shoulders, bracelets, etc,) , electric mahjong tables, etc, which produce the strong magnetism.
  • If “ANTI MAG. I “or “ANTIMAG.11” is inscribed on the watch, it means that your watch has  been made further resistant to the magnetism. Refer to the following for the strength of the display and the magnetic field which can be borne.
  • It can withstand a magnetic field up to 4.800A/m(60 gauss)
  • It can withstand a magnetic field up to16,000A/m(2000 gauss)
  • If the watch is left in a strong magnetic field for along time, its part will become magnetized and result in a malfunction.
  • The watch that is damaged by strong magnetic fields may gain or lose time for a while. However if it is moved away from the magnetic field it will regain its original accuracy. In this case, correct the time.

® Refer to the table below for strength of the magnetic field about the electric or Magnetic products produced. Magnetic fields of various magnetic products and electrical products

SEIKO-EPSON-RNAK0305S-Watch- \(14\)

No 1nfluence, X. influenced, .6.. Vanes with part or model
The figures above are for reference only. The intensity of magnetic field may vary with each magnetic product or electrical appliance.
Strength of a magnetic field is in inverse proportion to the square of distance. Therefore, the intensity may significantly differ from moving objecl8 a short distance apart.

Vibration
Do not bang the watch. It may cause the time to change.
(Note: In some cases, inspection, adjustment and repair may be necessary.)

Temperature
If the watch is used outside the normal temperature range ( s·c to 35°C), it may keep time badly, or stop.

Chemicals, gasses, etc.
In the case, please note it may be discolored, transformed or damaged the case, band, dial and the resin parts which if the watch comes into contact with gases, mercury, or chemicals {thinners, gasoline, various solvents, or cleaners, adhesives, paints, medicines, perfumes, or cosmetics containing any of those substances).

About products and accessory parts
CAUTION
Please carry out neither decomposition nor reconstruction of our products.
WARNING
Store the band, the pin and other small parts out of the reach of infants. If any small parts are swallowed, immediately contact a doctor.

Use at high temperature
CAUTION
Do not use the watch at high temperatures, such as in a sauna. You may be burned when the watch heats up.

Allergic reactions

CAUTION
If you have a skin rash or abnormally irritated skin due to exposure to leather, metal or soft/hard plastics and urethane stop wearing the watch immediately and consult a medical specialist

Luminous light

Some of our products uses Luminous light paint on the hands and dials.
The Luminous light paint is safe paint which stores light without using any radioactive material. It stores light from sunlight and artificial light and emits that light in a dark setting. As the paint discolor the stored light, its will become dimmer over time. The amount of light emitted and the time that light will be emitted depend on various factors when the light is stored, such as the shape of the glass, the thickness of the paint, surrounding brightness level, the distance from the watch to the light source, and the light absorption level. Please note when is not store enough light energy, the watch may emit weak light or emit light on for only a short time.

Waterproof processing band

Some watch uses the nylon band or the leather band, carried out special processing which is hard to absorb even if it touches sweat and water. Since an effect deteriorates according to usable years and operating condition, please understand the water resistance of this band.

Silver items

Some of our products have a silver or silver-plated case and band. Due to the properties of silver, oxides and sulfides
(prevalent in the air and around the body in the form of waste substances sloughed off by the body) will react with the silver become discolor the surface to black. If this case, wipe the surfaces with the cloth for silverware. The original coloring will then be restored.

For extended use

CAUTION

  • Maintenance of the case and band
  • Dirt and moisture on the case and band may interfere with the watch functions, cause skin rashes to person with susceptible skin, or soil the cuffs of clothing.
  • Use a soft cloth to wipe off dirt and moisture and keep the watch clean. Especially the band makes direct contact with the skin, remove dirt periodically.

[Case]

  • Keep the moisture and dirt, then it case corrode or rust It will be lower non water-proof too.
  • Wipe off dirt, using a soft cloth, etc. Do not use any chemical because it may discolor in the case.

[Metal band]

  • Keep the moisture and dirt, then it case corrode or rust. And the bands will be lower the duality. the strength. It soil the cuffs of clothing too.
  • Wipe off dirt, using a soft toothbrush with soap water. Be note do not enter the water to the non water resistant watch.

[Leather band]

  • Keep the moisture and dirt, then it case discolor. And the bands will be lower the durability, the strength. It soil the cuffs of clothing loo. Remove moisture and dirt, using a soft dry cloth. Do not rub the leather because this may cause the color to fade. It cause to discolor when lights the strong light and ultraviolet rays.

[Soft plastlc band]

  • However, since some kind of dirt may  irritate the skin, wash the band with fresh or soapy water occasionally. Do not use chemicals that might deteriorate the band, break and crack. Depending on usable years, the material may harden, crack or break.  In this case, replace it with a new band.

  • Be careful not to bring the case and the band into contact with the mercury (found inside a thermometer) or other chemicals, cosmetics, because they may discolor.

  • Tighten the band so that you can just slip one finger between the band and your wrist, in order to allow air to circulate. Do not store the leather band in high temperature or high humidity conditions.

  • Be careful the case and the band may comes off, drops when the pin used for the joint part of the case, the band and the joint parts pieces of the metallic band rusts. In rare case, you might also be injured. CID Please stop wearing, in case the case and the band corrodes become sharp or the band pin jump up.

  • Treatment of the rotating bezel
    Your watch has the rotation bezel, that become damaged the watch function in the case, when stock dirt etc, under the rotation bezel. Brush off dirt using a soft toothbrush and keep it clean.

  • Recommended Overhaul
    CD We recommend an overhaul which the mechanical watches every two to three years and the analog quartz oscillation watches is every three to four years. It can hold the movement lubrication or liquid leak, dry prevention, abnormal abrasion of the part. It keeps the daily accuracy too. And it can hold the waterproofness when the debased packing replaces, sweat and moisture don’t enter the watch.

  • When do your watch overhaul, contact to your purchase shop or the Repair Service Center. Please specify Mgenuine parts” and we also recommend replace the packing and spring bar too.

Warranty and service

Make sure to read the warranty card.

Warranty
If the watch fails to operate under normal operation conditions within the warranty period, bring it to your purchase shop or the Repair Service Center, along with its warranty card. We will repair or adjust your watch while it is under warranty free. Please read the warranty card well, the terms of the warranty are described.

  • Possession periods of parts for repair
    Normally the repair parts for this watch will be available for seven years after production of the watch is discontinued.

  • Repair parts
    It is the part of the machine body (movement) for time functions of the product (watch) inside.
    Other external parts not directly related to the function, such as the case, crystal, dial, hand, or crown, are not considered repair parts covered under the warranty. Replacement of these non repair parts may use parts different to the originals.

  • Repair period
    As a rule, your watch repair is possible for the holding period if normal to use. However, the period during which repairs can be made will vary, depending on the operating conditions and environment in which the watch used. In some case, the precision cannot be restored by the watch condition. Therefore, bring your watch and make sure consult to your purchase shop to determine, when you repairs.

  • Moving and gift item
    If you cannot go to your purchase shop since you moving or present from someone, contact the Customer Service for repairs.

  • lnquiry about our product
    Please refer to ‘Customer Service’ for the inquiry about our products. 6.0ther inquiries
    If there are any other questions concerning warranty and service, contact the Customer Service.

Contact Information

< Inquiry by Telephone >
ecustomer Service
Telephone: +81-42-847-3380
< Reception of Items for Repair>
ewatch repair center
Seiko Epson Corporation 390
Nagano-ken,399-0796 Japan
Tel: +81-50-3155-8290

< Selllng Agency >

EPSON SALES JAPAN CORPORATION
29th Floor,JR Shinjuku Miraina Tower,4-1-6 Shinjuku, Shinjuku-ku,Tokyo 160-8801 Japan
Tel: +81-3-5919-5211

< Manufacturer >

SEIKO EPSON CORPORATION
2005UP 0MAM59-en-02
Head Office : 3-3-5 Owa, Suwa-Shi, Nagano 392-8502 Japan
Telephone: +81 266-52-3131
©2020 Seiko Epson Corporation

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