Seiko Prospex Land 39.5 MM Green Dial Automatic Watch SPB121J1

Caliber Number: 6R35 Movement Type: Automatic with manual winding Precision: +25 to -15 seconds per day Power reserve: Approx. 70 hours Jewels: 24 Stop seconds hand function Date display 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 Water Resistance: 20 bar Weight: 87.0g Rotating compass inner ring Screw-down crown See-through & Screw case back