Cartier Ballon Bleu de Cartier Watch - 33 mm Yellow Gold Case - Silvered Dial - Interchangeable Bracelet - WGBB0045 Strap" 18K Sedna gold bezel with

18K Sedna gold bezel with blue ceramic ring and tachymeter scale in Ceragold

Calibre Omega 2637 self winding co-axial tourbillon chronometer movement

steel buckle

yellow gold bezel

Moonwatch style dial with two sub-dials at 3 and 9 o'clock are also created in white ceramic with radiant 18K white gold applied indexes

Cartier Ballon Bleu de Cartier Watch - 33 mm Yellow Gold Case - Silvered Dial - Interchangeable Bracelet - WGBB0045 Strap" 18K Sedna gold bezel with33 mm 18K yellow gold case, fluted crown set with a sapphire cabochon, sapphire crystal, silvered guilloche dial, automatic movement, interchangeable 18K yellow gold bracelet. Water resistant to 3 bar (approx 30 metres).