Brand : SEIKO
Model : SPB257 SPB257J SPB257J1
Movement
- Caliber Number
- 6R35
- Movement Type
- Automatic with manual winding
- Precision
- +25 to -15 seconds per day
- Power reserve
- Approx. 70 hours
- Jewels
- 24
- Functions
-
- Stop seconds hand function
- Date display
Case/Band
- Case Material
- Stainless steel (hard coating)
- Case Size
- Thickness:13.2mm
Diameter:42.7mm
Lug-to-lug:41.6mm - Crystal
- Curved sapphire crystal
- Crystal Coating
- Anti-reflective coating on inner surface
- LumiBrite
- LumiBrite on hands, index(es) and bezel
- Band Material
- Polyester
- Distance between lugs
- 20
Other Details
- Water Resistance
- 200m / 660ft diver's
- Weight
- 106.0g
- Features
-
- LIMITED EDITION on the case back ( 5500pcs )
- Serial number engraved on the case back
- Unidirectional rotating bezel
- Screw-down crown
- An additional silicone strap is included
- Screw case back