Seiko PROSPEX Alpinist Black Dial SPB117J1 MADE IN JAPAN

Description: Caliber Number: 6R35 Movement Type: Automatic with manual winding capacity Accuracy: +25 to -15 seconds per day Exterior: Case Material: Stainless steel Crystal: Sapphire with magnifier Crystal Coating: Anti-reflective coating on inner surface LumiBrite: Lumibrite on hands and indexs Clasp: Three-fold clasp with push button release Other Details: Water Resistance: 20 bar Case Size: Thickness: 13.2 Diameter: 39.5 Length: 46.4 Other Specifications: Rotating compass inner ring Screw case back Screw-down crown See-through case back Other Features: 24 jewels Date display Stop second hand function