AN 18K GOLD AUTOMATIC PERPETUAL AND ANNUAL CALENDAR WRISTWATCH WITH MOONPHASE AND CHRONOGRAPH, BY INTERNATIONAL WATCH COMPANY

AN 18K GOLD AUTOMATIC PERPETUAL AND ANNUAL CALENDAR WRISTWATCH WITH MOONPHASE AND CHRONOGRAPH, BY INTERNATIONAL WATCH COMPANY
With automatic movement, white dial with applied gilt baton markers, moonphase aperture with combined minute recording dial, subsidiary seconds combined with days, date dial, month dial combined with 12 hour recorder, annual calendar aperture, sweep centre seconds operated by two buttons in the band, case with stepped bezel, hinged barrel lugs, snap on back, maker's strap with gold buckle, case, dial and movement signed, with fitted case and spare annual calendar insert, 38mm diam.
Signed IWC, Schaffhausen, model Da Vinci, ref.3750, No.2409348