Audemars Piguet. An unusual 18K gold self-winding wandering hour wristwatch

Audemars Piguet. An unusual 18K gold self-winding wandering hour wristwatch
Signed Audemars Piguet, Star Wheel, Automatic, ref. BA25720, movement no. 374505, case no. D8155, manufactured in 1993
Cal. 2124 nickel-finished lever movement, 33 jewels, 21K gold rim to the rotor, the engine-turned gilt dial with Arabic numerals on an arched white minute sector, three rotating transparent discs each bearing four Arabic numerals for the hours, in circular case with stepped bezel, downturned lugs, glazed display snap on back, 18K gold Audemars Piguet buckle, case, dial and movement signed
36 mm. diam.