Seiko Presage Automatic Riki White Enamel Power Reserve SPB161J1

Caliber Number：6R27
Movement Type：Automatic with manual winding capacity
Accuracy：+25 to -15 seconds per day
Duration：Approx. 45 hours
Case Material：Stainless steel
Crystal：Dual-curved sapphire
Crystal Coating：Anti-reflective coating on inner surface
Band Material：Horse Skin
Clasp:Deployment clasp with push button release
Water Resistance:10 bar
Thickness: 12.4
Diameter: 39.9
Length: 47.2
Other Specifications:
Enamel dial
Screw case back
See-through case back