SBGA301J
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Grand Seiko Spring Drive Mens Watch SBGA301J
This model is equipped with Spring Drive, which uses the mainspring used in mechanical watches as the power source and enables the same high precision as quartz watches. The second hand slides on the jet-black dial is impressive with the sweeping movement created by the Spring Drive mechanism.
| Case Material | Stainless Steel |
| Glass Material | Sapphire |
| Case Size | Diameter: 40.5mm |
| Case Colour | Silver |
| Band/Bracelet | Bracelet - Stainless Steel |
| Band Colour | Silver |
| Dial Colour | Black |
| Hand Indicators | Hour, Minute, Seconds |
| Calendar Indicators | Date |
| Lumibrite | Hands & Hour Markers |
| Dial Markers | Batons |
| Crown | Screw Down |
| Calibre Number | 9R65 |
| Calibre Type | Spring Drive - Powered By The Movement of the Wearer |
| Calibre Function | Analogue - 3 Hands |
| Accuracy | +/-15 seconds a month (at normal temperature range (-10° and 60°) |
| Power Reserve/Battery Life | 72 Hour Power Reserve |
|
Display |
Analogue |
| Water Resistance | 100 Metres |
| Power Reserve Indicator | Yes |
