A Fine and Rare White Gold Jump-Hour Wristwatch with Wandering Minutes, Breguet, No. B2070, Circa 1930

18k, nickel lever movement, 19 jewels, bimetallic compensation balance, precision regulator, adjusted to 6 positions, silvered matte dial, Arabic five minute divisions to the outer ring, revolving inner dial with engine-turned arrow featuring aperture for Arabic jump-hour, the wandering tip points to the passing minute, circular case with smooth raised bezel, large brushed downturned lugs, snap on back, case numbered, dial and movement signed.

The unusual design of this watch, with jump-hours combined with wandering minutes, was patented by Breguet in 1926 and was initialy used in Art Deco style pocket watches.

Examples of wristwatches with this complication are rare and examples in white gold are even more unusual.