Baignoire de Cartier watch, mini model, size 15, quartz movement. Rose gold 750/1000 case. Rose gold 750/1000 beaded crown set with a sapphire cabochon. Rose gold 750/1000 rigid bracelet. Silvered dial, blued-steel sword-shaped hands, sapphire crystal. Length: 24. 6 mm, width: 18. 7 mm, thickness: 7. 2 mm. water-resistant up to 3 bar (approx. 30 metres). Cartier recommends the following size guide:Size 15: For wrist diameters 14-14. 9cmSize 16: For wrist diameters 15-15. 9cmSize 17: For wrist diameters 16-16. 9cm