About the movement: Movement: Seagull ST3600 manual chain up mechanical movement Dial: Blue flashing dial with silver lettering Case Material: Polished Rust Steel Case Watch mirror material: mineral reinforced glass mirror Crown type: screw-in type Movement type: mechanical movement - manual mechanical movement Strap material: High reflective leather strap Case diameter: 42mm (excluding handle) Watch thickness: 11.5mm Band size: The strap fits 22mm Watch back: perspective Case shape: circular Waterproof: 3ATM