Audemars Piguet. A fine and unusual 18K gold, platinum and sapphire-set wristwatch

Audemars Piguet. A fine and unusual 18K gold, platinum and sapphire-set wristwatch
Signed Audemars, Piguet, Genève, movement no. 55'877, case no. 205, circa 1945
Mechanical movement, 19 jewels, silvered dial, black baton numerals, subsidiary seconds, platinum bezel inset with rectangular cut sapphire numerals, circular case, snap on back, case, dial and movement signed
29 mm. diam.