ZO9591 Case Size: 41MM Strap Width: 20MM Movement: Automatic Three-Hand Case Color: White Case Material: Ceramic, Stainless Steel Strap Color: Orange Dial Color: White Strap Material: Rubber Platform: Compression Diver Case Water Resistance: 20 ATM Closure: Single Prong Strap Buckle Strap Inner Circumference: 200 /- 5MM Battery Type: No Battery Interchangeable Compatibility: 20MM