Seiko Presage Automatic Casual Men's Watch Movement Caliber Number 4R57 Movement Type Automatic With Manual Winding Power Reserve Approx. 41 Hours Jewels 29 Functions Date Hand Gents Seiko Watch Presage Power Reserve Indicator Stop Second Hand Function Case/Band Case Material Stainless Steel Case Size Thickness:14.3Mm Diameter:40.8Mm Lug-To-Lug:48.9Mm Crystal Box-Shaped Hardlex Lumibrite Lumibrite On Hands And Index(Es) Clasp Three-Fold Clasp With Push Button Release Distance Between Lugs 20 Other Details Water Resistance 5 Bar Weight 148.0 Features See-Through & Screw Case Back