Seiko Retro Design SRPE79 SRPE79K SRPE79K1 Grey Dial Automatic Watch - Spefications:Seiko 5 Sports Series#SRPE79K1Grey Textured Dial - Leather/Silicone Strap100m Water Resistance - Day and Date Display - Analog 3 Hands Display - Stainless Steel (Hard Coating) Case - Hardlex Crystal - Automatic with Manual Winding Capacity - Caliber 4R3624 Jewels - Unidirectional Rotating Bezel41 Hours Approx. Duration - Lumibrite on Hands and Indexes - Stop Second Hand Function - Screw Case Back - See-Through Case Back - Case Size Diameter: 42.5mm - Case Size Thickness: 13.4mm - Case Size Length: 46mm