Hamilton

Open Heart Auto

Reference Number :

H32705041

Series : Jazzmaster

Retail: $1,195

(As of: 07/2025)

This watch is not for sale, this page is just for reference purposes only. If you would like to purchase this watch, please contact Hamilton. If you are interested in selling this watch to us, you can contact us here.

Quick TakeSome watches just tell time, but this one has a conversation with you. The Hamilton Jazzmaster Open Heart isn't just showing you the hour; it's pulling back the curtain on the magic that makes it all happen. That mesmerizing cutaway on the brilliant blue dial isn't just for show—it’s a window into the soul of the machine, the ever-beating Caliber H-10 escapement. You can literally watch time unfold. With an impressive 80-hour power reserve, it's a reliable companion that won't give up on you after a weekend on the dresser. The 42mm steel case has a confident presence, while the unique texture of the ostrich leather strap adds a touch of untamed elegance. It’s a piece for the person who appreciates not just the result, but the beautiful, intricate process behind it—a mechanical heartbeat for your wrist that's as fascinating as it is functional.

DescriptionThe unit bearing reference number H32705041 is a horological instrument classified within the Hamilton Jazzmaster collection. Its case is constructed from stainless steel, featuring a circular diameter of 42mm and a total thickness of 11.44mm. This housing is engineered to provide water resistance up to a pressure of 5 bar, which corresponds to a depth of 50 meters or 73 pounds per square inch. Protecting the dial is a sapphire crystal, a material selected for its high degree of hardness and resistance to abrasion. The case design incorporates a lug width of 22mm for strap attachment and is completed with an open case back, allowing for visual examination of the movement within.

At the heart of the timepiece is the Caliber H-10, a self-winding automatic movement. This mechanism is engineered to provide a three-hand time display and features an extended power reserve of 80 hours. The movement's architecture is embellished with intricate contrasting snail and pearled patterns, which are visible through the signature open-heart aperture on the blue dial. The watch is secured to the wrist with an ostrich leather strap, identified by the reference H6003271091. This strap connects to a folding clasp with a buckle width of 20mm, ensuring a secure and reliable fit for the wearer.

GenderMen

SignaturesHamilton

Country of OriginSwitzerland

Case Size42 mm

MovementAutomatic

CaliberH-10

FunctionsHours, Minutes, Seconds

Power Reserve80 Hours

Case MaterialsStainless Steel

Bezel MaterialsStainless Steel

Lug MaterialsStainless Steel

Case BackSapphire Crystal