Cartier Tank Française 1840

Cartier, Tank Francaise, Gent's Ref. 1840 Gold Automatic Case: 28 mm x 33 mm, 18k yellow gold, two body, solid back secured by screws, sapphire set crown, MG349951 Dial: silver guilloche, radial Roman numerals, date aperture at six, baton hands Movement: automatic, 20 jewels Band: 18k yellow gold, 7 5/8th inches Signed: Cartier on the dial, case, movement and clasp, 143.6 grams gross weight