Case: Case Size 3H-9H: 45mm Case Size 12H-6H: 52mm Case Material: Stainless Steel Caseback Structure: Screw Case Back Crown: Screw Down Crown Glass Material: Sapphire Crystal Glass Glass Coating: Anti-reflective coating glass One-Way Rotating Bezel: Yes Movement: Automatic Self-Winding: Yes Jewels: 22 Jewels Vibration: 21,600 vibrations/1 hour Hand Winding: Yes Movement: Mechanical Caliber Code: Cal.F6722 Made in Japan Feature: Second Hand Halt Mechanism: Yes Date: Yes Water Resistance: 200m