Let precision take center stage with the 40mm Jazzmaster Open Heart and its smoky burgundy cut-out dial, revealing the subtle beauty of this timepiece's inner mechanics. Bringing the H-10-S automatic movement into the spotlight, with an 80 hour power reserve and Nivachron™ balance spring, the Jazzmaster Open Heart is paired with a matching brown smoky leather strap, showcasing Hamilton's ever-evolving craftsmanship and attention to detail.
JAZZMASTER OPEN HEART
A vibrant smoked dial draws the eye inward to the precision cutouts of the Jazzmaster Open Heart.
CELEBRATING CRAFTSMANSHIP
Offering a captivating glimpse at the movement underneath, its contemporary style is both unique and versatile.
SELF-WINDIND
Wrist movements cause the inner rotor to swing, transferring energy to the mainspring, and powering your timepiece.
A highly resistant alloy composed of steel and chromium. It can be worked to resemble a precious metal. It is nearly impervious to rust, tarnish, and corrosion.
SAPPHIRE CRYSTAL
Synthetic sapphire crystal is a tough scratch-resistant material, only diamonds could leave a mark.
NIVACHRON™ BALANCE SPRING
Nivachron™ is an alloy used to produce balance spring to resist magnetic fields and improve accuracy. It reduces the effects of magnets, temperature, and shocks.
H-10 CALIBER
A three-hand automatic movement boasting a superior power reserve of 80 hours and featuring a Nivachron™ balance spring.
WATER RESISTANCE
Your timepiece is resistant up to 5 bar (50m) / 73 psi (164 ft).