ROLEX OYSTER PERPETUAL Cosmograph Daytona 100 Instruction Manual
- October 30, 2023
- ROLEX
Table of Contents
ROLEX OYSTER PERPETUAL Cosmograph Daytona 100
WEARING THE WATCH FOR THE FIRST TIME
Before being worn for the first time, or if it has stopped, a Rolex watch must be wound manually in order to function correctly and precisely. To wind the watch manually, unscrew the winding crown completely, then turn it several times clockwise. (Turning in the other direction has no effect.) A minimum of 25 turns is required for adequate partial winding. The watch will then be wound automatically as long as it is worn on the wrist. Carefully screw the crown back down against the case to ensure waterproofness.
The green seal accompanying your Rolex watch is a symbol of its status as a Superlative Chronometer. This exclusive designation attests that it has successfully undergone a series of specific final controls by Rolex in its own laboratories in addition to the official COSC certification of its movement. This unique testing of its chronometric precision, waterproofness, self- winding and reliability pushes back the boundaries of performance and makes Rolex a benchmark for excellence in mechanical watches. For further information, please visit rolex.com.
THE HEART OF THE COSMOGRAPH DAYTONA MODEL
OYSTER PERPETUAL COSMOGRAPH DAYTONA
The Oyster Perpetual Cosmograph Daytona is the benchmark for those with a passion for driving and speed. Of legendary reliability, this model features a center chronograph seconds hand, 30-minute and 24-hour counters, and a tachymetric bezel. It is the instrument of choice for measuring elapsed time or calculating average speeds.
The dial offers exceptional legibility thanks to its Chromalight display elements filled with a high-performance luminescent material.
The 40 mm Oyster case, guaranteed waterproof to a depth of 100 meters (330 feet), is a paragon of robustness and reliability. Its Triplock winding crown, with a triple waterproofness system, is protected by a crown guard crafted as an integral part of the middle case. Both the winding crown and the chronograph pushers screw down against the case. The sapphire crystal is virtually scratchproof and benefits from an anti-reflective coating.
The Oyster Perpetual Cosmograph Daytona is equipped with a self-winding mechanical movement entirely manufactured by Rolex.
USING YOUR WATCH
OVERVIEW
- Hour hand
- Minute hand
- Small seconds
- Chronograph seconds hand
- 30-minute counter
- 24-hour counter
- Upper pusher (start/stop)
- Lower pusher (reset)
- Bezel with tachymetric scale
- Triplock winding crown with triple waterproofness system
SETTING THE WATCH
Screwed-down position (crown in position 0, pushers screwed down)
The crown and pushers are completely screwed down against the case. When the
crown and pushers are in this position, the Oyster Perpetual Cosmograph
Daytona is guaranteed waterproof to a depth of 100 meters (330 feet).
Manual winding (crown in position 1)
The crown is unscrewed. To wind the watch manually, turn the crown clockwise;
turning in the other direction has no effect. When setting the watch for the
first time or after the watch has stopped, complete a minimum of 25 turns for
partial winding.
Setting the time (crown in position 2)
The crown is unscrewed and pulled out to the first notch. The small seconds
hand is stopped, allowing you to set the time to the precise second. To set
the hour and minute, turn the crown in either direction.
Initial winding and setting
A. Wind the watch manually (position 1).
B. Set the time (position 2)
After every use, carefully screw the crown back down against the case to
guarantee the waterproofness. Return the crown to position 1 and apply light
pressure on it while screwing it down clockwise against the case. The crown
should never be unscrewed underwater.
MEASURING ELAPSED TIME
To measure elapsed time, follow the steps in the order given:
- Completely unscrew the pushers by turning them counterclockwise.
- Ensure that the chronograph seconds hand is stopped. If necessary, stop it by pressing the upper pusher.
- Press the lower pusher to reset the chronograph seconds hand and counter hands to zero.
- Press the upper pusher to start timing.
- Press the upper pusher again to stop timing.
- Read the elapsed time. The center seconds hand displays the elapsed seconds, the counter at 3 o’clock the minutes, and the counter at 9 o’clock the hours.
- Screw the pushers back down by turning them clockwise.
* Elapsed time in this illustration is 17h 06m 04s
CALCULATING AVERAGE SPEED PER HOUR
The Oyster Perpetual Cosmograph Daytona can be used to calculate average
speeds over a given distance (1 km, 1 mile, etc.).
To calculate average speed, follow the steps in the order given:
- Completely unscrew the pushers by turning them counterclockwise.
- Ensure that the chronograph seconds hand is stopped. If necessary, stop it by pressing the upper pusher.
- Press the lower pusher to reset the chronograph seconds hand and counter hands to zero.
- At the starting point of the distance to be covered, press the upper pusher to start timing.
- When the distance has been covered, press the upper pusher to stop timing.
- The chronograph seconds hand indicates the average speed on the tachymetric scale (chosen unit of distance/h).
- Screw the pushers back down by turning them clockwise.
* _ Over a distance of 1 km, the average speed_ in this illustration is 160 km/h**
EASYLINK COMFORT EXTENSION LINK
To ensure optimal comfort when wearing your watch, Rolex created the Easylink comfort extension link. This exclusive system comprises a link that is pulled out or folded back on itself to adjust the length of the bracelet by approximately 5 mm, without the need for tools.
Adjusting from the short position to the long position
Adjusting from the long position to the short position
ROLEX SERVICE
CARING FOR YOUR ROLEX
Thanks to Rolex expertise, your watch will require very little day-to-day care.
You can help preserve its luster by cleaning it occasionally with a microfiber cloth. You can also wash the case and bracelet from time to time using soapy water and a soft brush. After wearing your watch in the sea, it is important to rinse it with fresh water to remove any salt and sand deposits.
Before cleaning your watch, always ensure that the crown is screwed down properly against the case to guarantee waterproofness.
AFTER-SALES SERVICE
Rolex after-sales servicing ensures that your timepiece will continue to perform optimally in terms of precision, reliability and waterproofness, and also retain its particular luster.
The proper functioning and timekeeping accuracy of your Rolex watch movement is dependent on high-performance lubricants specially developed by the brand. Over time, the properties of all lubricants will degrade, which can affect a movement’s precision.
Additionally, to verify the waterproofness of your watch, it is important to carry out stringent technical checks.
Rolex therefore recommends that you periodically return your watch to one of its Official Rolex Jewelers or Service Centers for complete servicing, which is always performed by a Rolex-approved watchmaker.
During a complete service, the watch is dismantled and all of its components – the case, bracelet and movement – are closely examined.
The movement is entirely disassembled and all the parts are carefully inspected. Those that no longer meet Rolex requirements are systematically replaced by new components. The movement is lubricated on reassembly. The case and bracelet are re-polished or satin finished according to their original finish, restoring their shine and luster while removing any marks or scratches.
At the end of the process, your Rolex watch undergoes a series of tests to verify its functions, waterproofness and power reserve, as well as the precision of its movement.
After a complete Rolex service, your watch is covered by a service warranty.
WORLDWIDE SERVICE NETWORK
The network of Official Rolex Jewelers and Service Centers covers more than 100 countries around the world and draws on the expertise of highly skilled watchmakers, carefully selected and trained by Rolex.
Official Rolex Jewelers can advise you on all the technical aspects of your watch’s functions. Whether your bracelet needs sizing or it is time for a complete service, highly qualified Rolex watchmakers are on hand worldwide to meet all of your service needs.
For a list of Official Rolex Jewelers and Service Centers, please visit rolex.com.
ROLEX.COM
We invite you to visit rolex.com, a privileged place to learn more about the functions of your Rolex watch and about the quality, know-how and fundamental values of the brand.
Welcome to the world of Rolex.
Trademarks:
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ROLEX, OYSTER, AIR-KING, CERACHROM, CHROMALIGHT, CHRONERGY, COSMOGRAPH, CROWNCLASP, CYCLOPS, DATEJUST, DAY-DATE, DAYTONA, DEEPSEA, DEEPSEA CHALLENGE, EASYLINK, EVEROSE, EXPLORER, EXPLORER II, GMT-MASTER, GMT-MASTER II, JUBILEE, MICROSTELLA, MILGAUSS, OYSTERCLASP, OYSTERFLEX, OYSTERLOCK, OYSTER PERPETUAL, OYSTERSTEEL, PARACHROM, PARAFLEX, PEARLMASTER, PERPETUAL, PRESIDENT, RINGLOCK, RLX, ROLESIUM, ROLESOR, ROLEX GLIDELOCK, SAROS, SEA-DWELLER, SKY-DWELLER, SUBMARINER, SUNDUST, SYLOXI, TRIPLOCK, TWINLOCK, YACHT-MASTER. CELLINI.
Rolex reserves the right to modify the models illustrated in this publication at any time.
CUSTOMER SUPPORT
© Rolex Watch USA, Inc., Rolex Building, 665 Fifth Avenue, New York, NY
10022
IMR-DAY100-US-23 – 4.2023 – Printed in Switzerland
References
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