Seiko Prospex Divers SPB189J1 Caliber 6R35 automatic movement and manual winding movement. Power reserve 70 hours. Central seconds hand on black dial, index hour markers. 43.5mm titanium bezel and case. Sapphire crystal on top and solid case back. Water resistant to 200M. 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 24 jewels Stop second hand function Date display Case/Band Case Material Titanium(super-hard coating) with titanium bezel Case Size Thickness: 13.3mm Diameter: 43.5mm Lug-to-lug: 51.0mm Crystal Sapphire crystal with magnifier 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 Bracelet Length 180.0mm Distance between lugs 22mm Other Details Weight 121.0g Features Screw case back Unidirectional rotating bezel Screw-down crown Allergy-safe metal Three-fold clasp with secure lock
