Product Description
This Seiko automatic watch is powered by the 6R55 movement, offering manual winding capability, +25 to -15 seconds per day precision, an approximate 72-hour / 3-day power reserve, and stop seconds hand function. Built with a stainless steel case with super-hard coating, sapphire crystal with magnifier, anti-reflective coating, LumiBrite on the hands and indexes, three-fold clasp with push-button release, rotating compass bezel, screw-down crown, see-through and screw case back, magnetic resistance, and 20 bar water resistance, it delivers dependable mechanical performance with adventurous Seiko styling.
SKU: SPB503
| Case & Exterior | |
|---|---|
| Case Material | Stainless steel with super-hard coating |
| Case Thickness | 12.7 mm |
| Case Diameter | 39.5 mm |
| Lug-to-Lug | 46.4 mm |
| Crystal | Sapphire crystal with magnifier |
| Crystal Coating | Anti-reflective coating on inner surface |
| LumiBrite | LumiBrite on hands and indexes |
| Clasp | Three-fold clasp with push-button release |
| Distance Between Lugs | 20 mm |
| Weight | 147.0 g |
| Movement & Features | |
|---|---|
| Caliber Number | 6R55 |
| Movement Type | Automatic with manual winding |
| Precision | +25 to -15 seconds per day |
| Power Reserve | Approx. 72 hours / 3 days |
| Jewels | 24 |
| Functions | Stop seconds hand function |
| Water Resistance | 20 bar |
| Magnetic Resistance | 4,800 A/m |
| Bezel Feature | Rotating compass bezel |
| Crown | Screw-down crown |
| Case Back | See-through and screw case back |
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