Movement: Japanese Quartz / Battery-operated.Case Diameter: 44 mm – 45 mm.Case Thickness: 11 mm – 12 mm.Material: Black ion-plated stainless steel case and bracelet.Dial Features: Textured black dial, silver-tone luminous hands, mixed Roman numerals, and index markers.Complications: Chronograph stopwatch functions (independent sub-dials) and a physical date display window positioned at 3 o'clock.Glass Type: Scratch-resistant mineral crystal lens.Water Resistance: 50 meters (5 ATM / 165 feet) – suitable for light swimming.