Seiko SUR377 is a sleek and striking gents watch. The case made from titanium materials adds a sleek look, especially paired with its green dial. A simple and handsome watch perfect for a go to accessory that adds a slight lift in your look for the day. - Caliber Number - 6N52 - Quartz Movement - 40.2mm Case Size - 8.4mm Thickness - 47.0mm Lug-to-Lug - 74g Weight - Precision -±15 seconds per month - Battery life -Approx. 3 years - Titanium Case Material - Screw Case Back - Sapphire Crystal - Lumibrite on hands and index(es) - Three-fold clasp with push button release - 100 Meters Water Resistant