Case: Case Size: 43.6mm Case Size: 51.1mm Case Material: Stainless Steel Caseback Structure: Screw Caseback Crown: Screwed-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/1hour Hand Winding: Yes Movement: Mechanical Caliber Code: Cal.F6N47 Made in Japan Feature: Second Hand Halt Mechanism: Yes Date: Yes Water Resistance: 200m