Important Wristwatches, Watches & Clocks
Geneva, Hotel Des Bergues, Oct 17, 1992
Breguet & Fils, No. 4618, sent to Ducom for Portefaix Frères, on 24 January 1829, for 1200 Francs.
Fine large two day marine chronometer, with single barrel. Two part solid walnut box , with sliding observation Iid, external brass handles and fittings. Brass bowl suspended in rectangular pattern gimbals with rounded corners. Mat silvered dial, the small eccentric chapter ring with Roman hour and Arabic minute numerals, symmetrical subsidiary seconds below. Brass full plate movement, with single going barrel, navette shaped platform escapement, with sprig detent escapement, bimetallic two armed balance with poising and timing screws, free sprung blued steel helical balance spring with terminal curves. Dial diam. 115 mm. Dim. 20,5x22,5x21 cm.