Jam Seiko Prospex Land SRPD31 / SRPD31K1

Caliber Number 4R36 Movement Type Automatic with manual winding capacity Accuracy +45 to -35 seconds per day Duration Approx. 41 hours Case Material Stainless steel Crystal Curved Hardlex LumiBrite Lumibrite on hands and indexs Band Material Calfskin Water Resistance 20 bar Case Size Thickness: 14.4 ㎜ Diameter: 43 ㎜ Length: 43 ㎜ Other specifications Rotating compass inner ring Screw case back See-through case back 24 jewels Day/Date display Stop second hand function