Orient Star Star RE-AV0B08L Mechanical Contemporary Modern Skeleton Limited Edition Gent's Watch Specifications : Caliber No. : F6F44 Made in Japan Automatic with Self-Winding Power Reserve 50 hours 24 Jewels 21,600 vibrations/hour Case Size 3H-9H : 41mm Case Size 12H-6H : 48.3mm Case Thickness : 13.6mm Case Material : Stainless Steel Strap : Stainless Steel See-through Case back Screw Case back Sapphire Crystal Glass Anti-reflective coating glass Crystal Glass case back Power Reserve Indicator Second Hand Halt Mechanism Water Resistance : 100m