Seiko NH35 User manual
20.11.2023
UPLANDS & CO.
Horse-themed watches since 2023
Watch Instructions: Seiko NH35 Automatic Watches
SETTING THE DATE
1. Pull out the crown to the 1st position.
2. Rotate the crown clockwise (upward) to set the date.
3. Push the crown back in to the normal crown position.
Important: Do not change the date between 9:00 PM (21:00) and 4:00 AM as this may damage the
functionality and operation of the calendar.
SETTING THE TIME
1. Pull out the crown to the 2nd position.
2. Rotate the crown to set the hour and minute hands.
3. Push the crown back in to the normal crown position.
HACKING THE SECOND HAND
The second hand can be stopped to synchronize the time to another watch.
1. To stop the second hand, pull out the crown to the 2nd position.
2. Push the crown back in to the normal crown position when ready to synchronize.
WINDING THE MAINSPRING BY SIMPLY WEARING THE WATCH
By simply wearing the watch on your wrist, the mainspring is wound automatically as a result of the natural
motion of your arm.
WINDING THE MAINSPRING MANUALLY
Rotate the crown counter clockwise (downward) 8 times in the normal crown position and shake the watch
slightly.
Minute hand
Hour hand
Date window
Second Hand
Crown
Normal
Crown
Posion
2nd
Posion
1st
Posion
20.11.2023
WINDING THE MAINSPRING USING A WINDING MACHINE
Rotary Speed: 30 rpm
Operating Time: 60 minutes
DETERMINING 12 AM MIDNIGHT
1. Pull out the crown to the 2nd position.
2. Rotate the crown clockwise (upward) to advance the hour and minute hands until the date changes, which
indicates 12 AM midnight.
3. Keep rotating the crown clockwise to set the hour and minute hands to the exact time.
4. Push the crown back in to the normal crown position.
(Now that you’ve established AM/PM you can change the date as needed. Do not change the date between
9:00 PM (21:00) and 4:00 AM as this may damage the functionality and operation of the calendar.)
Mechanical watch movements are intricate micro-machines built to exacting standards. To ensure that your
watch operates with perfect precision for many years to come, please familiarize yourself with the following:
Accuracy: The average accuracy tolerance for the NH35 movement is around -20/+40 seconds per day under
normal operating conditions. Accuracy depends very much on the natural motion of your arm.
Service Intervals: As with most precision machines, an automatic watch must be serviced regularly to maintain
peak performance. We recommend that you have your watch professionally serviced every 5 to 6 years. A
shorter service interval may be required depending on the climate and conditions the watch is exposed to.
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