Nivada Grenchen Datomaster Watch Instruction Manual

Nivada Grenchen Datomaster Watch

Product Information

The product is a DATOMASTER MANUAL watch. It features various watch parts, including a chronograph with a 30-minute hand, a running seconds hand, an hour hand, and a minute hand. It also has a chronograph seconds hand. The watch has a band, case, and a date window. The crown has three positions for different functions, including normal crown position, setting the date, and setting the time.

Product Usage Instructions

Manual Winding

To manually wind the watch:

1. Turn the crown clockwise.
2. As you wind the watch, you will feel a slight resistance that increases as the tension mounts.
3. Depending on the watch’s size, wind it 20 to 30 forward turns until you feel resistance.
4. Stop winding immediately when you feel resistance to avoid damage from over-winding.

Setting the Date

To set the date:

1. Pull the crown out to the second position (position 2).
2. Turn the crown clockwise to adjust the date.
3. Avoid setting the date between 9 PM and 3 AM to ensure proper day change.
4. Push the crown back into the normal position (position 1).

Setting the Time

To set the time:

1. Pull the crown out to the third position (position 3).
2. Turn the crown to adjust the minute and hour hands.
3. Push the crown back into the normal position (position 1).

Using the Chronograph

The chronograph on this watch can measure up to 60 minutes. Here’s how to use it:

1. To start the chronograph, press the upper pusher A.
2. The chronograph hands will begin to move.
3. To stop the chronograph, press the upper pusher A again. The chronograph hands will stop and indicate the elapsed time. Read the elapsed seconds on the large central hand and minutes on the sub-dial at the 9 o’clock position.
4. To reset the chronograph, press the lower pusher B. All the chronograph hands will be reset to the 0 position.

OVERVIEW

DATOMASTER MANUAL Watch parts

DATOMASTER MANUAL Crown Position

1. Normal crown position
2. Setting the date
3. Setting the time

DATOMASTER MANUAL Manual winding

Manual winding
Turn the crown clockwise. As you’re winding your watch, you will feel a slight resistance which increases as the tension mounts. Depending on the size of the watch, 20 to 30 forward turns should lead to resistance.
Purely manually wound movements require winding at regular intervals, normally on a daily basis, to keep operating. Take care to stop winding this type of movement at the first sign of resistance as damage may result from overwinding.

DATOMASTER MANUAL Setting the date

1. Pull the crown out to the 2 position
2. Turn the crown clockwise for date setting Do not set the date between 9 PM and 3 AM, otherwise the day may not change properly.
3. Push the crown back into the normal (1) position

DATOMASTER MANUAL Setting the time

1. Pull the crown out to the 3 position
2. Turn the crown to set minute and hour hands
3. Push the crown back into the normal 1 position

DATOMASTER MANUAL Using the chronograph

THIS MODEL CHRONOGRAPH FEATURES STOPWATCH THAT CAN MEASURE UP TO 60 MINUTES

1. To start the chronograph: Press the upper pusher A The chronograph hands will begin to move
2. To stop the chronograph: Press the upper pusher A again. The chronograph hands will stop and indicate the elapsed time. (Read the elapsed seconds on the large central hand and minutes on the sub-dial in the 9 o’clock position)
3. To reset the chronograph: Press the lower pusher B to reset the chronograph. All the chronograph hands will be reset to the “0” position

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