Seiko 5 (Seiko Five) Men' s Automatic Watch # SNKE07K1 SNKE07. Seiko Model: SNKE07K1. Movement: Automatic. Metal: Stainless Steel. Caliber: Caliber 7S26 (21 Jewels). Day and date calendar. White dial with luminous indexes (Special Red and Blue colors design at between 12 o' clock to 4 o' clock). With crystal see-thru caseback. Water resistant to 50 meter. Approximate case diameter: 37mm (including crown). Approximate case thickness: 11mm.