Model #: 9144A-NR-P914NR2, Gender/Size: Men's Large, Case: Stainless Steel, Case Back: Sapphire Crystal See-Through, Bracelet/Strap: Black Calf Leather with White Stitching, Crown: Screw Down Crown, Tachometer: On Inner Bezel, Dial Color: Black Guilloche, Subdial Use: Chronograph Functions, Hand Indicators: Silver Tone Luminous Hands, Hour Markers: Silver Tone Index And Luminous Dots, Crystal: Scratch Resistant Sapphire, Movement: Swiss Mechanical Automatic (Self-Winding), Calibre: AN 2045/2824-2, Case Width: 43 mm, Case Length: 52 mm, Case Thickness: 14 mm, Bracelet Width: 21 mm, Bracelet Length: Fits wrist size up to 9 inches, Clasp Type: Fold-Over Clasp, Water Resistant: 100 m (330 Feet),