The Royal Oak Mod - SKELETON is a bold sports-luxury Seiko mod inspired by one of watchmaking's most revolutionary designs. The Skeleton colorway and signature octagonal bezel make this Seiko mod an instant statement piece that stops conversations and starts them. Powered by the NH35 automatic movement — 24 jewels, 41-hour power reserve. Integrated bracelet and alternating brushed and polished 904L stainless steel surfaces executed with exceptional attention to detail. Movement: NH35 Automatic — 24 jewels, 41hr power reserve Case material: 904L stainless steel Crystal: Sapphire with anti-reflective coating Bezel: Octagonal — Royal Oak inspired Bracelet: Integrated 904L stainless steel Case size: 40mm Date display: 3 o'clock Water resistance: 10 ATM Free worldwide shipping