Urban Jürgensen. A very fine and rare 18K gold openface twin barrel one minute tourbillon with carriage-mounted remontoire, constant force escapement, jumping dead beat seconds and power reserve
SIGNED URBAN JÜRGENSEN & SØNNER, CASE NO. 3055, MOVEMENT SIGNED URBAN JÜRGENSEN & SØNNER AND DEREK PRATT, INVENIT ET FECIT, 1987, MOVEMENT MANUFACTURED BETWEEN 1979 AND 1982, FINISHED AND ENCASED CIRCA 1987
Urban Jürgensen. A very fine and rare 18K gold openface twin barrel one minute tourbillon with carriage-mounted remontoire, constant force escapement, jumping dead beat seconds and power reserve Signed Urban Jürgensen & Sønner, case no. 3055, movement signed Urban Jürgensen & Sønner and Derek Pratt, Invenit et Fecit, 1987, movement manufactured between 1979 and 1982, finished and encased circa 1987 Skeletonized twin barrel gilded nickel-silver movement, carriage-mounted remontoire, constant force escapement, polished three arm steel tourbillon carriage, bimetallic compensation balance, gold screws, five hinged double spring glazed gold cuvette, engine-turned silver dial, Roman numerals on black chapter ring, aperture for 36 hours power reserve, subsidiary dead beat seconds, gold Breguet hands, heavy circular plain case, case, dial and movement signed 62 mm. diam.
Urban Jürgensen. A very fine and rare 18K gold openface twin barrel one minute tourbillon with carriage-mounted remontoire, constant force escapement, jumping dead beat seconds and power reserve
SIGNED URBAN JÜRGENSEN & SØNNER, CASE NO. 3055, MOVEMENT SIGNED URBAN JÜRGENSEN & SØNNER AND DEREK PRATT, INVENIT ET FECIT, 1987, MOVEMENT MANUFACTURED BETWEEN 1979 AND 1982, FINISHED AND ENCASED CIRCA 1987
Urban Jürgensen. A very fine and rare 18K gold openface twin barrel one minute tourbillon with carriage-mounted remontoire, constant force escapement, jumping dead beat seconds and power reserve Signed Urban Jürgensen & Sønner, case no. 3055, movement signed Urban Jürgensen & Sønner and Derek Pratt, Invenit et Fecit, 1987, movement manufactured between 1979 and 1982, finished and encased circa 1987 Skeletonized twin barrel gilded nickel-silver movement, carriage-mounted remontoire, constant force escapement, polished three arm steel tourbillon carriage, bimetallic compensation balance, gold screws, five hinged double spring glazed gold cuvette, engine-turned silver dial, Roman numerals on black chapter ring, aperture for 36 hours power reserve, subsidiary dead beat seconds, gold Breguet hands, heavy circular plain case, case, dial and movement signed 62 mm. diam.
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.jpg "Source: Christie's")
.jpg "Source: Christie's")
