Seiko Gents Prospex Alpinist Automatic Green Dial Watch SPB121J1

Seiko Prospex Alpinist SPB121J1. Round green dial with Arabic numeral and baton markers. Date function with magnifier. 39.5mm stainless steel case and brown leather strap. Sapphire crystal glass and 200m water resistant. Automatic movement with a power reserve of approx. 70 hours. Movement Calibre Number 6R35. Movement Type Automatic with manual winding. Precision +25 to -15 seconds per day. Power reserve Approx. 70 hours. Jewels 24. Functions Stop second hand function. Date display. Case/Band Case Material Stainless steel. Case Size Thickness:13.2mm. Diameter:39.5mm. Lug-to-lug:46.4mm. Crystal Sapphire crystal with magnifier. Crystal Coating Anti-reflective coating on inner surface. LumiBrite LumiBrite on hands and index(es). Band Material Calfskin. Clasp Three-fold clasp with push button release. Distance between lugs 20. Other Details Water Resistance 20 bar. Magnetic Resistance 4,800 A/m. Weight 87.0. Features Rotating compass inner ring Screw-down crown See-through & Screw case back