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| Brand: | Grand Seiko |
|---|---|
| Family: | Mechanical |
| Reference: | SBGH255 |
| Name: | Automatic Hi-Beat 36000 Professional 600 m Diver's Titanium / Black / Bracelet |
| Produced: | 2017 |
| Limited: | No |
| Material: | Titanium |
|---|---|
| Bezel: | Rotating, 0-60 (Dive) |
| Glass: | Sapphire |
| Back: | Closed |
| Shape: | Round |
| Diameter: | 46.90 mm |
| Height: | 17.00 mm |
| W/R: | 600.00 m |
| Color: | Black |
|---|---|
| Finish: | Matte |
| Indexes: | Stick / Dot |
| Hands: | Proprietary |
The Grand Seiko Automatic Hi-Beat 36000 Professional 600 m Diver's SBGH255 was introduced in 2017, when Grand Seiko became a brand of its own rather than a collection within the larger Seiko family. It features a Zaratsu-polished titanium case with a diameter of 46.9mm and a black dial; a limited edition blue-dialed version was released simultaneously as reference SBGH257.
Self-winding 'high-beat' movement with date. Caliber 9S85 features a t made of SEIKO's proprietary alloy ?SPRON530?. In addition, the balance spring is made of another recently developed highly shock resistant and anti-magnetic alloy ?SPRON610? and the caliber uses a new escape wheel and pallet manufactured by MEMS. These new components contribute to its reliable and precise performance; its timekeeping precision is -3 to +5 seconds per day, a level that is confirmed in every case by testing to the very exacting Grand Seiko standard, the highest published standard in the industry.
| Type: | Automatic |
|---|---|
| Brand: | Grand Seiko |
| Caliber: | 9S85 |
| Display: | Analog |
| Diameter: | 28.40 mm |
| Jewels: | 37 |
| Reserve: | 55 h |
| Frequency: | 36000 bph |
| Time: | Hours, Minutes, Seconds |
| Date: | Date |
More watches using the Grand Seiko 9S85 caliber