The 42mm Jazzmaster Open Heart is a perfect blend of tradition and innovation. The precision-cut openwork design allows you to admire the Hamilton Swiss-made automatic movement in action as it ticks away the time and accompanies you through all of life’s adventures. The multiple combinations of dials and straps made from high-quality materials reflect the personality of the wearer and bring out the best of Hamilton.
Features
- Reference: H32705142
- Caliber: H-10
- Collection: Jazzmaster
- Movement: Self-winding
- Case size: 42mm
- Thickness (mm): 11.44
- Dial color: Blue
- Case material: Steel
- Crystal: Sapphire
- Lug width: 22mm
- Power reserve: 80 hours
- Status: Current collection
- Water resistance: 5 bar (50m)
- Anti-reflective: Yes
- See-through case back: Yes
Strap
- Accessory REF: H6054251011
- Strap Type: Steel
- Buckle Type: Folding Buckle
- Buckle Width: 20mm
Movement
- H-10
- A three-hand movement with date and a superior power reserve of 80 hours, the H-10 features intricate contrasting snail and pearl patterns for the American Classic models and clean surfaces for the pilot’s watches.

