Pi­aget, the undis­puted king of slim, re­turns this year with a new record holder and its very first con­cept watch

Prestige Hong Kong - - SIHH -

A YEAR AF­TER cel­e­brat­ing the 60th an­niver­sary of its su­per-slim Alti­plano col­lec­tion, Pi­aget has started 2018 with two bold un­veils at SIHH: the Alti­plano Ul­ti­mate Au­to­matic and the Alti­plano Ul­ti­mate Con­cept. The for­mer, other­wise re­ferred to as the 910P, mea­sures a mere 4.3mm and cur­rently holds the record for the thinnest au­to­matic wrist­watch. The lat­ter, an even slim­mer con­cept piece that’s not for sale at the mo­ment, is the prod­uct of five patents and five years’ de­vel­op­ment.

Su­per-slim move­ments have been a Pi­aget forte since 1957, when it re­vealed the cal­i­bre

9P, the thinnest move­ment ever made. In

2013, it re­vealed the hand-wound 900P, an in­ge­nious con­struc­tion that utilised the case as a move­ment plate, which re­sulted in a watch mea­sur­ing just 3.65mm thick.

This year, Pi­aget fol­lows a sim­i­lar ap­proach by in­tro­duc­ing the 910P, whose move­ment and case are re­garded as a sin­gle en­tity. It also re­veals the bridges and the drive train on the dial side. Pro­vid­ing 50 hours of en­ergy is a 22k-gold pe­riph­eral wind­ing ro­tor that’s in­cor­po­rated within the thick­ness of the move­ment.

Set­ting yet another bench­mark is the Alti­plano Ul­ti­mate Con­cept, which at 2mm is the world’s thinnest me­chan­i­cal watch and took five years to de­velop. Five patented de­vel­op­ments help to en­sure a fully op­er­a­tional watch that de­liv­ers 40 hours of power re­serve and is wa­ter­re­sis­tant to 3 bar.

A cobalt-al­loy case keeps the shape rigid and less sus­cep­ti­ble to warps and de­for­mi­ties, while the 0.2mm sap­phire crys­tal is roughly a fifth of the size of a reg­u­lar crys­tal. Other fea­tures contributi­ng to the watch’s im­pos­si­bly slim pro­file in­clude an in­te­grated flat crown that pro­tects the wind­ing sys­tem and uses a worm screw in­stead of the usual wind­ing pin­ion; a ball­bear­ing main­spring bar­rel de­void of cover and drum, ma­chined di­rectly on the case back; and a reg­u­lat­ing sys­tem with no bal­ance-wheel bridge.


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