A rare 18ct yellow gold triple calendar chronograph wristwatch with moon phases

13’’’ Valjoux calibre 88 manually wound movement, lever escapement, 17 jewels, compensation balance

silvered dial, applied gold Arabic and dot hour indexes, subsidiary dials for constant seconds and 30-minute register, further 12-hour register combined with aperture for moon phases, apertures for day and month in French, outer scales for minutes/chronograph seconds calibrated for fifths, Arabic 5-minute markers, tachymetric scale, outermost red date ring with corresponding central indicating hand, dauphine hour and minute hands, Breguet cursive signature

18ct yellow gold case, down-turned lugs, rectangular chronograph pushers, snap-on case back with personalised engraving 'PHC NOËL 1965’, outside case back with rubbed French owl import assay, Breguet sponsor’s mark GB with a spring between in oval cartouche and numbered 3176  

Measurements

diameter 36mm

depth including crystal 12.5 mm

Accompaniments

with a Breguet 250^th anniversary certificate

Please note the leather strap derived from endangered species is for display purposes only and is not sold with the watch. The watch will be shipped with a Sotheby’s branded calf leather strap.