| Reference Ocarat | #123217 |
| Brand | Yema |
| Product Type | Watch |
| Gender | Men |
| Color | Blue Gray |
| Material | Steel |
| Material Quality | 316L stainless steel |
| Finish | Matte (Brushed / Satin) Polished / Shiny |
| Warranty | 2 Years |
| Thickness (in mm) | 10,85 |
| Diameter (in mm) | 39,00 |
| Manufacturing | France |
| Warranty Type | International |
| Labels and Certificates | Authorized Retailer |
| Case Shape | Barrel chain |
| Bezel | Resin Rotating Unidirectional With a minute track With luminescent marker(s) |
| Dial Finish | Matte |
| Watch Case Back | Screwed caseback |
| Crystal Shape | Domed |
| Glass Quality | Hesalite Crystal |
| Watch Case Types | Date |
| Buttons | 1 Crown |
| Water Resistance (in ATM) | 20 |
| Frequency | 28,800 A/h (4 Hz) |
| Movements | Automatic (rotor) |
| Movement Type | Swiss Movement |
| Movement Brand | Sellita |
| Calibers (Movements) | Sellita SW200 |
| Calendar and Time | Dates |
| Power Reserve (Maximum Duration) | 38 hours |
| Display Type | Analog (hands) |
| Display Specifications | Arabic Numerals Indices and railroad track Luminescent hands and indexes |
| Bracelet Material | 316L Stainless Steel Rubber |
| Strap Color | Black Gray |
| Bracelet Material Finish | Brushed steel |
| Watch Clasp | Deployment Clasp Tang Buckle |
| Lug Width (in mm) | 19,00 |
The Yema Navygraf Heritage stands out with its 316L stainless steel case, faithful to the spirit of 1960s watchmaking. Its tonneau shape gives it a distinctly vintage look, accentuated by balanced proportions of 39 mm diameter and a thickness of 10.85 mm. The brushed/satin finish lends a discreet elegance, while the polished accents add a note of sophistication. Protected by a domed Hesalite crystal, this timepiece blends ruggedness with aesthetic appeal. The watch features a screwed case back ensuring water resistance up to 20 ATM, perfect for aquatic adventures.
The dial of this watch is a study in understated elegance. In matte blue, it features Arabic numerals and luminescent indices for optimal legibility even in the dark. A minute track encircles the dial, reinforcing its precise and functional character. At three o'clock, a refined window displays the date, complementing the information conveyed by the hands. These, also luminescent, sweep the dial smoothly, making it easy to read the hours, minutes, and seconds. The matte finish of the dial, paired with the slightly domed Hesalite crystal, brings a nostalgic dimension reminiscent of vintage tool watches, while incorporating modern elements for everyday use.
The Navygraf's heart beats with a Swiss automatic movement by Sellita, caliber SW200. Renowned for its precision and reliability, this mechanism operates at a frequency of 28,800 beats per hour (4 Hz), ensuring accurate and consistent timekeeping. The 38-hour power reserve provides comfortable autonomy, letting you set the watch aside without worrying about resetting it when you put it back on.
This watch comes with two strap options: one in 316L stainless steel or one in rubber, each offering its own style and comfort. The steel strap, with its brushed finish, features a folding clasp for enhanced security and easy handling. The rubber strap, lighter and more sport-oriented, comes with a pin buckle. With a 19 mm lug width, each strap integrates seamlessly with the case, reinforcing the visual identity of this iconic model.
Built for diving enthusiasts, the Navygraf delivers exceptional water resistance up to 20 ATM. This means the watch handles humid environments - rain, splashes - and withstands temporary immersion in fresh water. The robust construction, including a screwed case back and a unidirectional rotating bezel with luminescent markers, ensures reliable, safe underwater use.




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Blue Navygraf Heritage Watch
(Ref. 123217)