DuBois et fils

Philippe DuBois & Fils Pocket watch, dead independent seconds; 14K pink gold | Only Online Auction | Geneva,January 3, 2022

Philippe DuBois & Fils Pocket watch, dead independent seconds; 14K pink gold, 14K pink gold, open-face, keyless-winding, round-shaped, pocket watch, with two horological complications:, · Dead independent seconds (exterior graduation with central hand; activated by the round push-piece located on the winding-crown), · Two barrels with differential gears and bidirectional-winding inspired by Sylvain Mairet’s (1805-1890) works (1850 / 1855)Polished case-back.White enamel dial with radial Roman numerals; blued steel “Pear” hands.19’’’, gilded brass, two going barrels, straight-line equilibrated lever escapement, cut bimetallic compensated balance with gold poising screws and blued-steel hairspring with terminal curve, polished steel index-regulator.Brand Ph. Dubois & Fils, Le Locle Year circa 189014K pink gold Movement No. unnumbered Case No. 25 970 Material 14K pink gold Diameter 51.9 mm. Caliber 19’’’, straight-line equilibrated lever escapement Weight 103.5 gr. (approx.) Signature case