CARTIER Santos-Dumont Watch Large Model – Quartz Movement – Steel Leather – 31.5. OPENED THE GIFT, BUT NOT USED! Tank Must watch, large model, high autonomy quartz movement. Steel case, beaded crown set with a synthetic cabochon-shaped spinel, silvered dial, blued-steel sword-shaped hands, interchangeable black grained calfskin strap, steel ardillon buckle. Case dimensions: 33.7 mm x 25.5 mm, thickness: 6.6 mm. Water-resistant up to 3 bar. GUARANTEE: 2 years + 6 years through Cartier Care registration. WATCH MARKERS: Roman Numerals. WATER RESISTANT: 30 Metres. BRAND COLLECTIONS: Tank Must.