Cartier Tank Must Watch - 33.7 mm x 25.5 mm Steel Case - Silvered Dial - Interchangeable Black Grained Calfskin Strap - WSTA004133. 7 mm x 25. 5 mm steel case, beaded crown set with a synthetic cabochon shaped spinel, silvered dial, high autonomy quartz movement, interchangeable black grained calfskin strap, steel ardillon buckle. Water resistant to 3 bar (approx 30 meters 100 feet).

the 40mm watch features a fixed fluted bezel

composed out of 285 parts

grey ruthenium-toned inner bezel

Introduced at Baselworld 2017

screw down winding crown

18K yellow gold bezel set with 46 diamonds

Strap: Grey Sail-canvas strap

Water resistant to 30 metres

baguette-cut sapphires

Octo Roma Blue Steel 41mm OC41C3SSD

black & grey dial

The watch is paired with a stainless steel Jubilee bracelet featuring rounded five-piece links and a folding Oysterlock clasp with an Easylink 5mm comfort extension