Specifications: 38mm Santos Inspired Case Butterfly Clasp Adjustable Bracelet White Roman Aftermarket Dial (Custom) Transparent Back Piece 5ATM Waterproof Seiko NH35 Automatic Movement TMI Materials: Case and Bracelet: 316L Stainless Steel for Tarnish and Corrosion Resistance Dial: High-Quality Copper Crystal: Durable Sapphire on Front and Back