Seiko 5 Sports SRPD87 Automatic Spring based on the Swiss ETA

based on the Swiss ETA Valjoux 7750

Bracelet: Steel

Thickness: 14

Tapered stainless steel bracelet with patented folding buckle with extension

Patterned to evoke the icy surface of the perilous

Seiko 5 Sports SRPD87 Automatic Spring based on the Swiss ETACaliber Number 4R36 Movement Type Automatic with manual winding capacity Accuracy +45 to 35 seconds per day Duration Approx. 41 hours Exterior Case Material Stainless steel Crystal Hardle LumiBrite Lumibrite on hands and indexes Band Material Nylon Other Details Water Resistance 10 bar Case Size Thickness: 13. 4 Diameter: 42. 5 Length: 46 Other Specifications Screw case back See through case back Unidirectional rotating bezel Other Features 24 jewels