Bringing a fresh twist to a Hamilton favorite, the Jazzmaster Open Heart 40mm showcases a complex smoky turquoise dial layered with crisp white accents for a bold, modern look. Its signature cut‑out openings reveal the captivating motion of the H‑10 automatic caliber, highlighting 80 hours of power reserve beneath the surface. Paired with refined details and a stainless steel bracelet, this striking iteration elevates the iconic Open Heart design with color, depth, and contemporary sophistication.
- ReferenceH32675141
- CaliberH-10
- CollectionJazzmaster
- MovementAutomatic
- Case size40mm
- Thickness (mm)11.1
- Dial colorBlue
- Case materialStainless steel
- CrystalSapphire
- Lug width20mm
- Power reserve80 hour
- StatusCurrent collection
- Water Resistance5 bar (50m)
- Anti ReflectionYes
- Open Case BackYes
- NivachronYes
- Super LuminovaYes
- Strap referenceH6054251001
- Strap typeStainless steel
- Buckle typeButterfly
- Buckle width18mm
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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.

