| Reference Ocarat | #100246 |
| Brand | Yema |
| Product Type | Watch |
| Gender | Men |
| Color | Black White |
| Material | Steel |
| Material Quality | 316L stainless steel |
| Finish | Polished / Shiny |
| Warranty | 2 Years |
| Thickness (in mm) | 11,00 |
| Diameter (in mm) | 39,00 |
| Manufacturing | France |
| Warranty Type | International |
| Labels and Certificates | Authorized Retailer |
| Case Shape | Round |
| Bezel | Aluminium Tachymeter Scale |
| Dial Finish | Matte |
| Crystal Shape | Domed |
| Glass Quality | K1 Mineral Crystal (Hardened) |
| Watch Case Types | Date |
| Buttons | 1 Crown 2 Pushers |
| Water Resistance (in ATM) | 10 |
| Frequency | 32.768 Hz |
| Movements | Mecaquartz Quartz |
| Movement Type | Japanese Movement |
| Movement Brand | Seiko Corp. |
| Calibers (Movements) | Seiko VK64 |
| Calendar and Time | Dates Hours Minutes Seconds |
| Chronograph Function | Yes |
| Counters and Durations | 24h 60 min |
| Display Type | Analog (hands) |
| Display Specifications | Indices and railroad track Luminescent hands and indexes SuperLuminova BG W9 |
| Number of Counters (Additional) | 2 |
| Bracelet Material | 316L Stainless Steel Bovine leather |
| Strap Color | Black Gray |
| Bracelet Material Finish | Grained Leather Milanese Mesh Perforated leather |
| Topstitching | Yes |
| Watch Clasp | Sliding Clasp Tang Buckle |
| Lug Width (in mm) | 20,00 |
| Activities | Aviation Car Racing / Rally |
Yema has been celebrated since the early 1970s for its sporty watch designs. Its Rallygraf collection embodies the brand's history, athletic spirit, and craftsmanship. In tribute to motorsport, meet the new Rallygraf Meca-Quartz YMHF1580-B - a true heir to the manufacturer's chronograph tradition. Its ultra-refined design and features perfectly evoke the dashboards of vintage race cars. The round case is crafted in polished 316L stainless steel and measures 39 mm in diameter with an 11 mm thickness, making it a perfect fit for men's wrists. With a resolutely vintage feel, the bezel surrounding the double-dome K1 mineral crystal at 2 mm thick features a tachymeter scale for calculating average speed over a given distance. It is crafted in matte aluminum with silver-tone markings. The push crown engraved with the embossed Yema logo sits at 3 o'clock. Of the knurled type, it matches the case tone and is used to set the central hands. The two pushers flanking it control the subdials on the dial. Finally, as with all its models, the case back features the brand's historic coat of arms, hydraulic-press stamped with a brushed and polished finish. It guarantees this timepiece 10 ATM water resistance.
With a refined elegance, the round dial of this watch delivers clean, pared-down lines - a matte white background and black accents that echo the iconic panda colorway. Understated yet striking, it elevates any outfit. The two small checkered flag signatures pay homage to grand prix racing and the world of motorsport. For timekeeping, count on the hands, baton indices, and minute track. Most of these time markers are coated in Super-LumiNova BGW9 for perfect legibility in the dark. The two baton-style hour and minute hands are joined by a fine red-tipped seconds hand. Like a vintage race car dashboard, the two black subdials at 3 and 9 o'clock display the 24-hour and 60-minute counters respectively. Yema signs its name alongside the collection name at 12 o'clock.
The brand equips this beautiful chronograph with a Seiko VK64 mechanical-quartz hybrid movement. Timekeeping functions are driven by quartz, while the chronograph is controlled by a mechanical module that gives the seconds hand a smooth, continuous sweep for a satisfying sense of precision. Accurate and high-performing, it delivers reliable analog display.
This Yema Rallygraf comes with two strap options in 20 mm, selectable from the dropdown menu. Each one makes it a perfect match for your everyday city looks.
The first Mesh bracelet crafted in 316L stainless steel features a Milanese mesh finish for exceptional flexibility and elegance. It comes with a deployment clasp engraved with the YEMA logo for quick and effortless adjustment.
The second option is the Black Rallye strap in grained and perforated bovine leather. Designed in the Rallye style, it was specially crafted to match the Rallygraf's color palette. Its clean, understated look pairs with any outfit, and the tang buckle keeps it securely fastened around your wrist.
This model offers 10 atmospheres of water resistance - 100 meters to be precise. This is a truly water-resistant watch! Ready to dive into aquatic adventures with you, it handles everything from puddles to the pool without complaint. Shower, bath, and active swimming? No problem. That said, Ocarat's watchmaking experts note that while water-resistant, this model is not suited for diving (professional or recreational) and is sensitive to high-pressure cleaning equipment. We also recommend keeping the crown and pushers locked during submersion.



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Rallygraf Meca-Quartz Panda YMHF1580-B Watch
(Ref. 100246)