| Reference Ocarat | #45225 |
| Reference | H32705141 |
| Brand | Hamilton |
| Product Type | Watch |
| Gender | Men |
| Color | Blue Gray |
| Material | Steel |
| Material Quality | Stainless Steel |
| Warranty | 2 Years |
| Diameter (in mm) | 42,00 |
| Manufacturing | Switzerland |
| Warranty Type | International |
| Labels and Certificates | Authorized Retailer |
| Case Shape | Round |
| Dial Finish | Double circle Open heart Soleillée |
| Watch Case Back | Exhibition Case Back Screwed caseback |
| Crystal Shape | Flat |
| Glass Quality | Sapphire Crystal |
| Buttons | 1 Crown |
| Water Resistance (in ATM) | 5 |
| Frequency | 28,800 A/h (4 Hz) |
| Movements | Automatic (rotor) |
| Movement Type | Swiss Movement |
| Movement Brand | ETA |
| Movement Base (Origin) | ETA C07.111 |
| Calendar and Time | Hours Minutes Seconds |
| Display Type | Analog (hands) |
| Display Specifications | Arabic Numerals |
| Bracelet Material | Stainless Steel |
| Strap Color | Gray |
| Watch Clasp | Single Deployment Clasp |
| Lug Width (in mm) | 22,00 |
| Collection | Hamilton Jazzmaster |
The Watch
This men's model from the Jazzmaster Open Heart Auto collection boasts an exceptionally elegant design. Built with a 42mm stainless steel case topped by a sapphire crystal - renowned for its scratch resistance and durability - this watch leaves nothing to be desired. The caseback is screwed down and transparent, offering a captivating view of the automatic movement's rotor. A stainless steel crown sits at 3 o'clock.
The Dial
This round dial features a stunning blue hue with a refined, finely crafted design. The hours are marked by silver-toned baton indices, while 3, 6, 9, and 12 o'clock are indicated by Arabic numerals. A minute track runs along the outer edge of the dial. Three silver-toned hands with luminescent coating indicate the hours, minutes, and seconds. The dial showcases an open-heart finish that lets you admire the mechanics of the automatic movement, along with a sunray finish that adds a beautiful luminosity to the dial.
The Movement
This timepiece is powered by a Swiss-made automatic movement. The Hamilton H-10 caliber, featuring 25 jewels and based on an ETA C07.111, beats at a frequency of 21,600 vibrations per hour. It displays hours, minutes, and seconds, with an impressive 80-hour power reserve.
The Strap
This timepiece comes fitted with a stainless steel bracelet, secured by a simple deployant clasp. The lug width is 42mm.
Water Resistance
With a water resistance of 50 meters (5 ATM), this timepiece can handle everyday water exposure - but it's not built for prolonged contact with water. You can wear it in the shower from time to time, but to preserve the quality and precision of the movement, our watch specialists strongly advise keeping it away from baths, pools, and the sea. In short: no swimming or scuba diving, and no extended contact or immersion.




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Jazzmaster "Open Heart" Auto H32705141 Watch
(Ref. 45225)