Caliber
B620
- Movement
- Light-powered
- Power reserve
- About 6480 hours
- Functions
- Chronograph, date, 24-hour display
Eco-Drive caliber documented in the 2026 Super Titanium catalog. Rated reserve: 270 days. Catalog source.
Watches using the B620
CA4750-51E · Unknown
Super Titanium Chronograph CA4750-51E
Cal. B620
CA4750-51A · Unknown
Super Titanium Chronograph CA4750-51A
Cal. B620
CA4750-51L · Unknown
Super Titanium Chronograph CA4750-51L
Cal. B620
CA4750-51X · Unknown
Super Titanium Chronograph CA4750-51X
Cal. B620
CA4690-51E · Unknown
Zenshin Chronograph CA4690-51E
Zenshin · Cal. B620
CA4690-51A · Unknown
Zenshin Chronograph CA4690-51A
Zenshin · Cal. B620
CA4691-59X · Unknown
Zenshin Chronograph CA4691-59X
Zenshin · Cal. B620
CA4690-59L · Unknown
Zenshin Chronograph CA4690-59L
Zenshin · Cal. B620