Limited 1/250 Stainless steel Sapphire dial PVD coating Retrograde automatic mechanical movement 3ATM water resistance Unidirectional self-winding via perpetual rotor 40 hours of battery life Secure deployant clasp closure with detachable links Case dimensions: L 1.6" x W 1.8"   Style: laapea001r-tff Color: Black / Multi Material: Stainless Steel