Offering a glimpse of its powerful inner mechanics, the Jazzmaster Open Heart lets precision take center stage with a new 42mm dial. Featuring a stunning gradient colour effect in rich green, this timepiece reveals its subtle beauty and showcases Hamilton's ever-evolving craftsmanship and attention to detail. Bringing the H-10 automatic movement into the spotlight, with an 80 hour power reserve and Nivachron™ balance spring, the Jazzmaster Open Heart Auto is fitted with an intricate stainless steel bracelet.
JAZZMASTER
Striking a perfect balance between tradition and sophistication, the Jazzmaster collection offers wearers the ideal timepiece for milestone moments, and beyond.
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).