Cartier. An 18K gold limited edition rectangular reversible wristwatch

Cartier. An 18K gold limited edition rectangular reversible wristwatch
Signed Cartier, Paris, Tank Basculante, mecanique, no. 056/150, case no. 109279, manufactured in 1997
Cal. 060 MC mechanical movement, 21 jewels, engine-turned silvered dial, Roman numerals, secret signature at VII, inner railway minute divisions, rectangular case, back secured by four screws in the sides, winding crown at 12 o'clock, pivoting lengthwise within an articulated gold frame set with a cabochon ruby to the bottom, all hinged into the plain back plate, 18K gold Cartier deployant clasp, case, dial and movement signed
25 mm. wide & 39 mm. overall length