Orient Sun Moon RA-AS0101S Semi-Skeleton 42mm 30m WR sapphire crystal anti-reflective stainless steel bracelet automatic men’s watch The Sun & Moon function illustrates the change of day to night on a 24-hour rotating disk, and the semi skeleton creates the classical style.Featuring a slimmed-down case, domed crystal evoking vintage style and warmth, and a dial combining a beautiful sunburst pattern with bar indices, it has been reborn with simple new styling. Case size (3H-9H): 41.5mm Stainless Steel Case Water Resistance 30m See-through Caseback A see-through panel on the rear of the case allows visibility of the elegant and modern movement design. Hand Winding Features manual wind movement. Water Resistance Water resistance to 30 meters Case: Case Size 3H-9H: 41.5mm Case Size 12H-6H: 47mm Case Material: Stainless Steel Caseback Design: See-through Caseback Glass Material: Crystal Glass Pair: RA-KB0001S Movement: Automatic Self-Winding: Yes Jewels: 22 Jewels Vibration: 21,600 vibrations/1 hour Hand Winding: Yes Movement: Mechanical Caliber Code: Cal.F6L24 Made in Japan Feature: Second Hand Halt Mechanism: Yes Water Resistance: 30m Strap: Strap: Metal