Seiko 5 #SNZF39K1 Men's 23 Jewels Black IP 50M Automatic Watch Japan 23 Jewels Automatic Movement by Seiko (Calibre 7S36) Stainless Steel Case and Band with Push Button Deployment Clasp Hardlex Crystal for Durability, Day/Date Display with Spanish Option, Luminous Markers Case Size: 40mm Diameter, 12mm Thickness Water Resistant - 50M, Transparent Screwed Down Caseback