Chronograph Stopwatch OS10 (no date - OS30)

(1 crown/2 pushers)

MINUTE HAND HOUR HAND SECOND HAND
Time Setting 1. Pull crown out to position 3. 2. Turn crown to set the desired time. 3. Return crown to position 1. Date Setting 1. Pull crown out to position 2. 2. Turn crown counter-clockwise until the correct date is shown in the date window. 3. Return crown to position 1. Chronograph Operation 1. Press A to start/stop the chronograph. 2. Press B for reset. Adjusting The Chronograph 1. Pull crown to position 3. 2. Press A to reset the second hand to 0. 3. Press B to reset the chronograph minute and hour hands. 4. Reset the watch to the current time and return crown to position 1.

Chronograph Stopwatch VD54 (with date - VD53)

(1 crown/2 pushers)

A MINUTE HAND

24-HOUR HAND

SECOND HAND
Time and Date Setting 1. Before setting the time, make sure the chronograph is stopped and set to zero (12:00) position. 2. Pull crown out to position 2. 3. Turn crown clockwise until the previous days date is displayed. 4. Pull crown out to position 3 when the second hand is at the 12:00 position. 5. Turn crown to set time. Note: 24-hour hand moves correspondingly with the hour and minute hands. When setting the time be sure to check that the 24-hour hand is set properly. 6. Return crown to position 1. Note: When the crown is in position 2, do not press the pushers. Otherwise the chronograph hands will move. Chronograph 1. Press A to start/stop the chronograph. 2. Press B to reset to zero. Split Time 1. Press B while the chronograph is running. 2. Press B again to return to the chronograph. 3. Press A to finalize timing. 4. Press B to reset. Chronograph Zero Reset 1. If either of the chronograph hands is not at the zero (12:00) position, pull crown out to position 3. 2. Press A to move hands clockwise; press B to move hands counter-clockwise. 3. Return crown to position 1.