Item details Item number 287782 Brand name Tiffany & Co. Item name Tiffany & Co. Watch Gemea Z6401.10.10A19A00A Tonneau - Black Dial Roman Index SS Quartz Analog Model size Ladies Material Stainless steel Stone used Dial color Black Movement Quartz analog Ref. NO Z6401.10.10A19A00A Serial No. T3*** Function-Features Waterproof 3 ATM water resistant Accessories Case size Case size Width 21.7 mm (0.85 in) x Height 41.7 mm (1.64 in) (Excluding crown) Band-strap Arm circumference 14.8 cm (5.83 in) Band/strap width 14.0 mm (0.55 in) Band/strap collar-Silver Weight