Description
Seiko SFK001 Prospex GMT Sea Sumo Blue Dial 45 mm Steel Diver Solar Men's Watch. SFK001 Specification Water Resistance: 200m / 660ft diver's. Crystal: Sapphire crystal. Screw-down crown. Precision: ±15 seconds per month. Case Material: Stainless Steel. Crystal Coating: Anti-reflective coating on inner surface. SFK001 Specification: Movement Solar-powered Caliber: 5K65 Precision: ±15 seconds per month Jewels: 3 Overcharge prevention function Quick-start function 24-hour hand Date display Exterior Case Material: Stainless Steel Case Size: Diameter 45mm, Thickness 13.2mm 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 Other Details Water Resistance: 200m / 660ft diver's Magnetic Resistance: 4,800 A/m Weight: 182.0g Unidirectional rotating bezel Screw-down crown Screw case back