Hamilton

Opean Heart

Reference Number :

H32705651

Series : Jazzmaster

Retail: $1,145

(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 TakeThere is a certain honesty to the Jazzmaster Open Heart that is utterly captivating. It forgoes a full skeletonized dial, which can sometimes feel chaotic, for a more curated glimpse into its soul. The dial is a stage, and through its carefully placed windows, the balance spring flutters and gears turn, performing a constant, silent ballet. This is not a watch for someone who just wants to know the time; it is for the individual who is fascinated by the how and the why. The crisp silver dial, punctuated by bold blue hands and numerals, provides a cool, contemporary canvas for the warm, living mechanics beneath. Strapping it on feels like you are wearing a secret, a small, intricate world of cogs and jewels that you choose to share with the world. It is a conversation starter that says you appreciate artistry and engineering in equal measure, a perfect blend of classic style and mechanical curiosity.

DescriptionA detailed examination of the Hamilton H32705651 reveals a construction rooted in precision engineering and material science. The timepiece is built around a stainless steel case with a diameter of 42mm and a thickness of 11.44mm, establishing a substantial yet wearable presence. A scratch-resistant sapphire crystal protects the dial, ensuring maximum legibility and durability under various conditions. The case architecture provides water resistance up to 5 bar, equivalent to 50 meters or 164 feet, making it resilient against incidental water exposure. Further showcasing its mechanical nature, the watch is equipped with an open case back, offering an unobstructed view of the movement's operation. The lug width is specified at 22mm, accommodating the supplied strap, while the buckle width measures 20mm, contributing to a tapered and comfortable fit on the wrist.

Powering the watch is the Hamilton Caliber H-10, an automatic three-hand movement renowned for its extended 80-hour power reserve. This impressive autonomy allows the watch to remain operational for over three days without winding. The movement's intricate snail and pearled patterns are partially visible through the unique cutouts on the silver dial, a signature feature of the Open Heart design. The strap, with reference number H6903261181, is crafted from cow leather and features a sophisticated folding clasp for secure and convenient fastening. Every component, from the case construction to the movement's finishing, is engineered to function as a cohesive and reliable timekeeping instrument, reflecting a commitment to horological standards.

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