Audemars Piguet. A fine 18K gold openface split seconds chronograph keyless lever watch

Audemars Piguet. A fine 18K gold openface split seconds chronograph keyless lever watch
Signed Audemars Piguet & Co., retailed by Tiffany & Co., No. 19'500, manufactured in 1907
Cal. SCRCV nickel-finished lever movement, 22 jewels, bimetallic compensation balance, gold cuvette, the gilt matte dial with Breguet numerals, outer five minute divisions, blued steel moon-style hands, two subsidiary dials indicating 30 minutes register and constant seconds, in circular plain case with inlaid black and blue enamel initials ASC to the hinged back, split seconds chronograph mechanism operated through a button in the band and through the crown, case and movement signed by maker and numbered, cuvette numbered, dial signed by retailer
47 mm. diam.