This watch is listed as “Unused” in accordance with Chrono24’s classification requirements. It has never been worn or used and comes with its original box and warranty card. Please refer to the listing for warranty details. Exterior: 18K yellow gold back lid: 18K yellow gold + sapphire glass Glass material: Dual curve sapphire Coating: Anti-reflective coating on the inside Case size: Width 38mm x Thickness 10.9mm Band material: Crocodile Arm circumference (longest): 200mm Nakadome: One-push three-fold method Movement: 9S649S64 Instruction Manual Drive system : Mechanical manual winding Drive time: Lasts up to 72 hours (about 3 days) when hoisting accuracy : Static accuracy: Average daily difference +5 seconds to -3 seconds waterproof : Waterproof for everyday life Magnetic resistance: Yes weight : 95.0 g.