The Seiko Prospex Diver’s 300m Coastline 41.3mm SPB485J1 combines elegance with durability, powered by a Calibre 6R55 automatic movement with a 72-hour reserve. Its stainless steel case features a pink unidirectional bezel, and the black dial displays a serene coastline pattern beneath anti-reflective sapphire crystal. Lumibrite-coated hands and indexes offer clear readability, while the 300m water resistance ensures dive-ready reliability. The polished stainless steel bracelet with secure clasp makes it perfect for both business and leisure.
Movement
- 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 second hand function
Case/Band
- Case Material Stainless steel
- Case Size
-
Thickness:12.5mm
Diameter:41.3mm
Lug-to-lug:48.2mm - Crystal Sapphire crystal
- Crystal Coating Anti-reflective coating on inner surface
- LumiBrite LumiBrite on hands, index(es) and bezel
- Clasp Three-fold clasp with secure lock , push button release with extender
- Distance between lugs 20
Other Details
- Water Resistance 300m / 1000ft diver's
- Magnetic Resistance 4,800 A/m
- Weight 179.0g
- Features
- Unidirectional rotating bezel
- Screw-down crown
- Screw case back