Case: Case Size 3H-9H: 41.8mm Case Size 12H-6H: 46.8mm Case Material: Stainless Steel Caseback Structure: Screw Crown: Screw Glass Material: Sapphire Crystal Glass One-Way Rotating Bezel: Yes Movement: Automatic Self-Winding: Yes Jewels: 22 Jewels Vibration: 21,600 vibrations/hour Hand Winding: Yes Movement: Mechanical Caliber Code: Cal.F6922 Made in Japan Feature: Second Hand Halt Mechanism: Yes Day: Yes Date: Yes Water Resistance: 20bar(200m) Strap: Strap: Metal