Important Modern & Vintage Timepieces

Hong Kong, Jun 28, 2014

LOT 269

ROGER DUBUIS REF. H4050.5 HOMMAGE WHITE GOLD Roger Dubuis, Horloger Genevois, "Hommage Chronograph Single- Button, Bulletin d'Observatoire", No. 30, Ref. H4050.5. Very fine and rare, water-resistant, 18K white gold Chronometer wristwatch with single-button chronograph, register, tachometer and an 18K white gold Roger Dubuis buckle.

Three-body, solid, polished and brushed, screwed-down transparent case back, con-cave bezel, concave lugs, sapphire crystals, button at 2 to activate the chronograph func-tion. Off-white with applied white gold Arabic numerals and button indexes, subsidiary seconds and 30-minute register dials, outer minute and 1/5th seconds track, outermost tachometer scale. White gold feuille hands. Cal. RD 50, stamped with the Seal of Geneva Quality Mark, rhodium-plated, fausses cotes decoration, 16 jewels, straight-line lever escapement, monometallic balance with regulating screws adjusted to 5 positions, shock absorber, self-compensating blued steel Breguet balance spring, swan-neck regulator.