SEIKO Prospex Diver’s Thong Sia Limited Edition SPB427J1 (Whale)

Specifications. Calibre Calibre no. 6R35 Movement Type Automatic with manual winding Accuracy +25 to -15 seconds per day Power Reserve/Battery Life Approx. 70 hours Case Case Material Stainless steel Crystal Sapphire crystal Clasp Three-fold clasp with secure lock LumiBrite LumiBrite on hands, index(es) and bezel Other Specifications Stop second hand function Date display Layout Water Resistance 200m / 660ft diver #39;s Case Size Thickness: 12.9 ㎜ Diameter: 45.0㎜ Other Specifications Jewels: 24 Features Other Features Unidirectional rotating bezel Screw case back Screw-down crown.