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.
JAZZMASTER
Striking a perfect balance between tradition and sophistication, the Jazzmaster collection offers wearers the ideal timepiece for milestone moments, and beyond.
Wrist movements cause the inner rotor to swing, transferring energy to the mainspring, and powering your timepiece.
STAINLESS STEEL CASE
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).
