Item details Item number 284982 Brand name Cartier Item name Cartier Watch Tank Aggress MM W3TA0003 Rectangular Roman Index Diamond Bezel Silver Guilloche Dial 18K Pink Gold SS Quartz Analog Model size Unisex (case size. Torso - please check the photo) Material 18K pink gold Stainless steel Stone used Diamond Dial color Silver Movement Quartz analog Ref. NO W3TA0003 Serial No. 38********** Function-Features Waterproof Daily life waterproof Accessories Date stated February 2018: Case size Case size: Width 26.5 mm (1.04 in) x height 34.7 mm (1.37 in) (Excluding crown) Band-strap Arm circumference 18.0 cm (7.09 in) Band/strap width 16.3 mm (0.64 in) Band/strap collar-Silver Weight