From the manufacturer

Dial Color: Black, Case Shape: Round, Dial Glass Material: Scratch Resistant Glass
Band Color: Brown, Band Material: Leather
Watch Movement Type: Quartz, Watch Display Type: Analog
Case Material: Stainless Steel, Case Diameter: 44 millimeters
Water Resistance Depth: 50 meters ; Interchangeable Compatibility: 22mm ; Circumference: 200+/- 5mm ; Functions: Chrono Sec Hand, Chrono Min Hand, Movement Type: Quartz Chronograph
2 years international warranty
Remove plastic at crown to start the watch