Cartier. An 18K gold limited edition rectangular reversible wristwatch

Cartier. An 18K gold limited edition rectangular reversible wristwatch
Signed Cartier, Paris, Collection Privée, Tank Basculante, mécanique, No. 041/365, case no. 2391, manufactured in 1999
Cal. 060 MC nickel-finished lever movement, 21 jewels, engine-turned silvered dial, Roman numerals, secret signature at VII, inner railway minute divisions, rectangular case, back engraved 1999 2000 2001 and secured by four screws in the sides, winding crown at 12 o'clock, pivoting lengthwise within an articulated gold frame set with a cabochon sapphire to the top, all hinged into the plain backplate with engine-turned decoration depicting the Cartier logo to the inside, 18K gold Cartier deployant clasp, case, dial and movement signed
25 mm. wide & 39 mm. overall length