Case: Case Size 3H-9H: 40.4mm Case Size 12H-6H: 46.6mm Case Material: Stainless Steel Caseback Design: See-through Caseback Caseback Structure: Screw Caseback Glass Material: Crystal Glass Glass Material: Caseback: Crystal Glass Pair: RE-ND0014L Movement: Automatic Self-Winding: Yes Jewels: 22 Jewels Vibration: 21,600 vibrations/hour Hand Winding: Yes Movement: Mechanical Caliber Code: Cal.F6R42 Made in Japan Feature: Power Reserve Indicator: Yes (50h) Second Hand Halt Mechanism: Yes Water Resistance: 5bar (50m)