Seiko Men's Essentials Stainless Steel Japanese Quartz With Silicone Strap, Green (Model: SUR323) Watch 50 meters (165 feet)Caliber 4R39

50 meters (165 feet)Caliber 4R39

while the screwdown see-through caseback provides a view of the caliber 6R64 29-jewel automatic movement with manual winding capability

8mm Crystal Sapphire crystal Crystal Coating Anti-reflective coating on inner surface LumiBrite LumiBrite on hands

Khaki Pilot Auto Blue / Pink Leather

Seiko Men's Essentials Stainless Steel Japanese Quartz With Silicone Strap, Green (Model: SUR323) Watch 50 meters (165 feet)Caliber 4R39Movement Caliber Number 6N76 Movement Type Quartz Precision 20 seconds per month Battery life Approx. 3 years Functions Date display Case Band Case Material Stainless steel Case Size Thickness: 11. 8mmDiameter: 40. 8mmLug to lug: 47. 7mm Crystal Hardlex LumiBrite Lumibrite on hands and index(es) Band Material Silicone Distance between lugs 21