60h power reserve
The Hamilton H-21-Si is an automatic caliber with an analog display and a power reserve of 60 hours. It is in production.
Last updated 23 Oct 2026Suggest a correction
TECHNICAL SPECIFICATIONS
Movement Type
Automatic
Power Reserve
60h
Display Type
Analog
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Watches with this movement
Hamilton
Khaki Aviation Converter Air Zermatt Limited Edition
H76706730
AutomaticSteel
Hamilton
Khaki Aviation Converter Auto Chrono
H76726130
AutomaticSteel
Hamilton
Khaki Aviation Converter Auto Chrono
H76726530
AutomaticSteel
Hamilton
Khaki Aviation Converter Auto Chrono
H76736730
AutomaticSteel
Hamilton
Khaki Aviation Converter Auto Chrono
H76746140
AutomaticSteel
Hamilton
Khaki Aviation Converter Auto Chrono
H76746540
AutomaticSteel
Hamilton
Khaki Aviation X-Wind Auto Chrono
H77906940
AutomaticSteel
Hamilton
Khaki Aviation X-Wind Auto Chrono
H77916920
AutomaticSteel
Hamilton
Khaki Aviation X-Wind Auto Chrono Air Zermatt Exclusive Edition
H89736930
AutomaticSteel