Case Diameter: 38.5mm to 39mmLug-to-Lug: 48mm
Crystal & Bezel: Scratch-resistant, domed Hesalite which provides a unique, warm visual light distortion.
Movement: Seiko NH35 automatic movement (hacking and hand-winding).
Water Resistance: 200 meters (20 ATM).Lume: BGW9 Super-LumiNova on the indices and bezel.