Seiko 5 Women's Automatic Self-Winding Watch Model SYME87K1 Japan 21 Jewels Automatic Movement by Seiko (Calibre 4207) Stainless Steel Case and Band with Push-Button Deployment Clasp, Gold Plated Case and Band Day/Date Display with Spanish Option, Luminous Hands and Markers, Hardlex Crystal for Duability Screwed Down Caseback Water Resistant - 30M, Approximate case thickness: 10mm., Approximate case diameter: 27mm (including crown),25mm (excluding crown)