Cartier Tank à Vis 2551

Cartier. A gold rectangular dual time zone wristwatch, Ref. 2551, Collection Privée, Tank A Vis, No. 006MG, circa 2006. Movement: cal. 991MC, manual winding, 18 jewels. Dial: silvered guilloché, Roman numerals, dual time display, secret signature at VII. Case: 18ct gold, sapphire crystal display secured by eight screws, faceted sapphire-set crown, 18ct gold deployant clasp. Signed: case, dial, movement and clasp. Dimensions: length including lugs 40mm, width 28mm. Accessories: certificate, instructions and presentation case. £7,000-£10,000