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The Jazzmaster Open Heart 42mm perfectly balances tradition and innovation. Its precise cut-out design reveals our Swiss-made automatic movement in action beneath a striking silver dial with blue indexes and hands. Add sophisticated personality with a matching blue leather strap, or choose a more subtle style with a stainless steel bracelet.
- Caliber H-10
- Collection Jazzmaster
- Movement Automatic
- Case size 42mm
- Thickness (mm) 11.44
- Dial color Silver
- Case material Stainless steel
- Crystal Sapphire
- Lug width 22mm
- Power reserve 80 hour
- Status status_current_collection
- Water Resistance 5 bar (50m)/73 psi (164ft)
- Open Case Back Yes
- Strap reference H6054251011
- Strap type Stainless steel
- Buckle type Butterfly
- Buckle width 20mm
H-10
A three-hand movement with or without a date function and boasting a superior power reserve of 80 hours, the H-10 appears with intricate contrasting snail and pearled patterns for the American Classic models it drives and streamlined surfaces for the pilots’ watches.

















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