No Logo Suitable for movement: Japan NH35, NH36, 4R36 movement. Case diameter: 38mm square 316L stainless steel case. Water Resistance: 30 metres. Strap material: 316L stainless steel. Case, strap, handle, waterproof ring, screws, fixing ring, dial(according your choice). If you need to customize, please contact our staff to confirm, thank you.