Audemars Piguet. A fine and rare 18K gold openface minute repeating keyless lever watch

Audemars Piguet. A fine and rare 18K gold openface minute repeating keyless lever watch
Signed Audemars Piguet, Genève, no. 30'606, movement manufactured in 1923, encased and sold in 1961
Cal. SMV 18''' nickel-finished lever movement, 29 jewels, bimetallic compensation balance, repeating on two hammers onto two gongs, silvered matte dial, applied gold dot, Arabic and square-shaped numerals, subsidiary seconds, circular case, enlarged bezel, snap on back, repeating slide in the band, case, dial and movement signed
47 mm. diam.