Jazzmaster Open Heart Auto 42 mm H32705501

Inviting and timeless, the Jazzmaster Open Heart 42mm features a smoky brown dial that exudes warmth and depth. The open-heart design showcases the precision mechanics inside, while a rich brown leather strap adds a classic touch. A classic dress watch that blends contemporary elegance with sophisticated style. 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.

Source: Hamilton website, last updated Mar 2026