Pur si simplu
Derek was fascinated by the idea of developing an escapement that required no lubrication. In 1997, the year of Breguet’s 250th birthday, Pratt was inspired to pursue the concept that Breguet called échappement naturel, or escapement without lubrication. Breguet was not able to realize his dream, but Pratt pursued the idea, and in 1997 he debuted a pocket watch tourbillon with an innovative double-remontoir escapement that delivers impulses in two directions and requires no lubrication.
Urban Jürgensen. An extraordinary and unique 18K pink 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, NO. 01, MOVEMENT SIGNED DEREK PRATT, INVENIT ET FECIT, THE ONLY NUMBER ONE ROSE GOLD-CASED SKELETONISED TOURBILLON WITH CARRIAGE-MOUNTED REMONTOIRE, MANUFACTURED BETWEEN 1979 AND 1982.
URBAN JÜRGENSEN & SØNNER
The Diamond Pallets of John Harrison's Fourth Longitude Timekeeper—H4
Master Watchmaker Derek Pratt Passes Away
Derek was fascinated by the idea of developing an escapement that required no lubrication. In 1997, the year of Breguet’s 250th birthday, Pratt was inspired to pursue the concept that Breguet called échappement naturel, or escapement without lubrication. Breguet was not able to realize his dream, but Pratt pursued the idea, and in 1997 he debuted a pocket watch tourbillon with an innovative double-remontoir escapement that delivers impulses in two directions and requires no lubrication.
Urban Jürgensen. An extraordinary and unique 18K pink 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, NO. 01, MOVEMENT SIGNED DEREK PRATT, INVENIT ET FECIT, THE ONLY NUMBER ONE ROSE GOLD-CASED SKELETONISED TOURBILLON WITH CARRIAGE-MOUNTED REMONTOIRE, MANUFACTURED BETWEEN 1979 AND 1982.
URBAN JÜRGENSEN & SØNNER
The Diamond Pallets of John Harrison's Fourth Longitude Timekeeper—H4
Master Watchmaker Derek Pratt Passes Away
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