GROUND­BREAK­ING

MOVE­MENTS

24-7 (Singapore) - - Contents - By Alvin Wong

The most out­ra­geous watch move­ments cre­ated this year

THIS YEAR’S MOST AVANT-GARDE FEATS OF MI­CRO-ME­CHAN­I­CAL EN­GI­NEER­ING.

CAL­I­BRE RD101

FOUND IN: ROGER DUBUIS EX­CAL­IBUR QUATUOR WHAT’S SPE­CIAL: It be­haves like a souped-up tour­bil­lon – only that it re­ally isn’t one. While con­ven­tional tour­bil­lons are housed in ro­tat­ing cages to nul­lify the ef­fect of grav­ity on tim­ing pre­ci­sion, the Cal­i­bre RD101 does it with four bal­ances placed at four cor­ners of the move­ment. The four bal­ances work in pairs to in­stan­ta­neously com­pen­sate for the rate vari­a­tions caused by the changes in the watch’s po­si­tion. This dif­fers from the tour­bil­lon, which does the same, but takes longer as the tour­bil­lon cage needs an en­tire minute to com­plete its ro­ta­tion.

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