SPB485J1
Where refined style meets rugged performance — the Seiko Prospex SPB485J1 is built for those who dive into life with purpose. Featuring a distinctive ocean grey dial inspired by serene coastlines, its bronze-tone polygonal bezel adds both sophistication and grip-enhancing function. This diver's watch blends a mirror-polished stainless steel case with robust 300m water resistance, adhering to ISO standards. Powered by the reliable in-house 6R55 movement with a 72-hour power reserve, it’s a statement piece ready for both deep dives and formal nights.
Movement
Calibre: 6R55
Movement Type: Automatic with manual winding
Accuracy: -15/+25 seconds per day
Power Reserve: Approx. 72 hours
Jewels: 24
Functions: Stop seconds hand function
Dial & Hands
Dial Colour: Grey
LumiBrite: On hands, indexes, and bezel
Case
Case Material: Stainless Steel
Case Diameter: 41.3mm
Case Thickness: 12.5mm
Case Length: 48.2mm
Lug Width: 20.0mm
Crystal Type: Sapphire crystal
Crystal Coating: Anti-reflective coating on inner surface
Crown: Screw-down crown
Bezel: Unidirectional rotating bezel
Case Back: Screw case back
Strap/Bracelet
Strap/Bracelet: Stainless Steel
Clasp: Three-fold clasp with secure lock, push button release with extender
Functions & Durability
Water Resistance: 30 bar (300 metres)
Magnetic Resistance: 4,800 A/m
Weight: 179.0g
