Need help?Do you have a question about the Hamilton Caliber H-31 and is the answer not in the manual?
General| Movement Type | Automatic |
|---|---|
| Caliber | H-31 |
| Power Reserve | Up to 60 hours |
| Jewels | 27 |
| Frequency | 28, 800 vph (4 Hz) |
| Base Movement | ETA/Valjoux 7753 |
| Functions | Hours, minutes, seconds, date |
Details for Caliber G10.211, a 4-jewel movement.
Details for Caliber 251.272, a 22-jewel movement.
Details for Caliber 251.471, a 23-jewel movement.
Lists of automatic watch calibers including 7753, H-31, 7750, A07.211, H-21.
Explanation of the watch diagram and its components.
General advice for proper watch care and servicing.
Information on water resistance ratings and their meaning.
Guidelines for the care and maintenance of leather watch straps.
Information regarding watch battery life and replacement procedures.
Precautions to avoid magnetic interference affecting watch accuracy.
How to set and operate quartz watches, including crown positions.
Instructions for setting and operating quartz chronograph watches.
How to set and operate mechanical watches, including winding procedures.
Instructions for setting and operating automatic watches, including self-winding.
Instructions for operating automatic chronograph watches and their functions.
Instructions for setting and operating automatic GMT watches with 24-hour time display.
Explanation of crowns that screw down for enhanced water resistance.
Description of the tachymeter scale for measuring speed or distance.
Indicator for the end-of-life of a watch battery.
How to use the rotating bezel to track elapsed time.
To Next Page