Am 18ct gold ladies' Cartier Tank mechanical strap watch, 20.50 x 27.00mm case, with an off-white dial, black Roman numerals and blue spade hands, with four screws to the sides to secure the case back, Swiss hallmark for 18ct gold standard, indistinct, signed Cartier Paris on dial and case back, no. 30875231. With original Cartier textured leather strap and 18ct gold folding buckle, marked 18ct, Cartier, BC. 31.98g Buying this watch at auction could save up to 0.80 tonnes of CO2e compared to buying new. Condition Report: Winds and ticking but no guarantee as to timekeeping or continued running. Scratches and glass and case, consistent with age. The strap is worn but not damaged. Clasp in working order.