Girard-Perregaux ww.tc Worldwide Time Control, Power Reserve Automatic 18K White Gold Men's Watch Silver Dial 49850-53-151-BA6A details: Model #: 49850-53-151-BA6A, Gender/Size: Men's, Case: 18K white gold, Case Back: Screw-In Sapphire Crystal See-Through, Bracelet/Strap: Black crocodile leather, Crown: On the left operates world time function, Dial Color: Silver, Subdial Use: Power reserve indicator, small seconds, Hand Indicators: Gold tone luminous, Hour Markers: Gold tone luminous, Crystal: Scratch-Resistant Sapphire Crystal, Movement: Automatic Self-Winding Swiss Movement, Day of Week: Between the 1 & 2 o'clock, Case Width: 43 mm, Case Thickness: 13 mm, Clasp Type: 18K White Gold Fold-Over Clasp, Water Resistant: 30 m (100 feet), Model # Alias: 4985053251BA6D, Black/White world time indicator,,