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56 | In-house<br />

The B01 project has<br />

created a specialised<br />

assembly process<br />

that <strong>in</strong>volves an ultra<br />

sophisticated computer<br />

programme that monitors<br />

and routes each movement<br />

throughout <strong>the</strong> various<br />

paths of assembly.<br />

co<strong>in</strong>cidentally, Seiko’s first automatic<br />

chronograph. Breitl<strong>in</strong>g was closely<br />

<strong>in</strong>volved <strong>in</strong> <strong>the</strong> overall design, although<br />

<strong>the</strong> ma<strong>in</strong> work for <strong>the</strong> chronograph<br />

module was by Dubois-Depraz.<br />

“If you look at <strong>the</strong> Calibre 11, it’s a<br />

different type of design from <strong>the</strong><br />

B01. Here you have a movement<br />

fitted with an <strong>in</strong>tegrated self-w<strong>in</strong>d<strong>in</strong>g<br />

work, utilis<strong>in</strong>g a micro-rotor, result<strong>in</strong>g<br />

<strong>in</strong> a very slim design upon which is<br />

mounted a chronograph module that<br />

can be removed <strong>in</strong> one piece – 3 screws.<br />

Unfortunately we now have quite a<br />

thick movement.<br />

“The o<strong>the</strong>r way to make a self-w<strong>in</strong>d<strong>in</strong>g<br />

chronograph is to <strong>in</strong>tegrate all of <strong>the</strong><br />

mechanisms <strong>in</strong>to <strong>the</strong> movement; this<br />

was done on <strong>the</strong> El Primero and is<br />

what Breitl<strong>in</strong>g has done with <strong>the</strong><br />

B01. A disadvantage, however,<br />

for <strong>the</strong> watchmaker is that when<br />

you <strong>in</strong>tegrate <strong>the</strong>m, you have all<br />

of <strong>the</strong>se complexities on top of<br />

and mixed up with each o<strong>the</strong>r, so if<br />

someth<strong>in</strong>g goes wrong somewhere,<br />

you often have a lot of disassembly.<br />

Breitl<strong>in</strong>g has gone a long way with<br />

its new design to address this.<br />

“With <strong>the</strong> new B01, Breitl<strong>in</strong>g has<br />

<strong>in</strong>tegrated everyth<strong>in</strong>g toge<strong>the</strong>r,<br />

which tends to make a slimmer<br />

watch. Not afraid to use old<br />

technology, <strong>the</strong> company uses<br />

a column wheel, which is still<br />

considered by watch lovers<br />

as <strong>the</strong> nicest device to use as<br />

<strong>the</strong> operat<strong>in</strong>g system <strong>in</strong>side<br />

your chronograph.<br />

“There’s someth<strong>in</strong>g about a<br />

column wheel that we all love<br />

as watchmakers. They are<br />

also much easier to make<br />

nowadays with modern<br />

precision eng<strong>in</strong>eer<strong>in</strong>g.<br />

But Breitl<strong>in</strong>g has<br />

done it <strong>in</strong> a very up-to-date way because<br />

<strong>the</strong> designers have used a vertical<br />

clutch for <strong>the</strong> connection between<br />

<strong>the</strong> timepiece and <strong>the</strong> chronograph,<br />

<strong>in</strong>stead of an oscillat<strong>in</strong>g p<strong>in</strong>ion or normal<br />

coupl<strong>in</strong>g clutch spur gears.”<br />

Oscilat<strong>in</strong>g p<strong>in</strong>ion<br />

V vertical clutch<br />

Thus one of <strong>the</strong> primary differences<br />

between <strong>the</strong> TAG Heuer and <strong>the</strong> Breitl<strong>in</strong>g<br />

is <strong>the</strong> oscillat<strong>in</strong>g p<strong>in</strong>ion versus <strong>the</strong><br />

vertical clutch system. “The vertical<br />

clutch system, which is very fashionable<br />

at <strong>the</strong> moment, is a nice system.<br />

Although not a new idea it works<br />

very well with modern materials<br />

and technologies.<br />

“When you engage <strong>the</strong> drive on <strong>the</strong><br />

B01, it runs <strong>the</strong> chronograph seconds<br />

hand, <strong>the</strong> m<strong>in</strong>ute recorder and <strong>the</strong> hour<br />

recorder, all from <strong>the</strong> same drive. This<br />

is a nice idea because it means that<br />

<strong>the</strong>y must always be <strong>in</strong> synchronisation<br />

with each o<strong>the</strong>r. With a lot of o<strong>the</strong>r<br />

chronographs, <strong>the</strong> hour recorder, <strong>in</strong><br />

particular, is driven separately. It’s not a<br />

great disadvantage, but this method is a<br />

bit of a plus.”<br />

Breitl<strong>in</strong>g also fitted <strong>the</strong> B01 with selfcentr<strong>in</strong>g<br />

reset hammers. “These are <strong>the</strong><br />

fly-back hammers of <strong>the</strong> chronograph,<br />

which, for manufactur<strong>in</strong>g/assembly and<br />

for later servic<strong>in</strong>g, are also a big plus.<br />

Aga<strong>in</strong>, this is <strong>the</strong> latest design trend<br />

as used by Rolex and o<strong>the</strong>rs. In <strong>the</strong><br />

old days, when operat<strong>in</strong>g <strong>the</strong> returnto-zero,<br />

<strong>the</strong> watchmaker often had to<br />

adjust <strong>the</strong>se hammers by fil<strong>in</strong>g and<br />

polish<strong>in</strong>g – a skilled and time-consum<strong>in</strong>g<br />

operation. Nowadays, <strong>the</strong> hammers<br />

have a flexible, self-centr<strong>in</strong>g system<br />

built <strong>in</strong>to <strong>the</strong>m so <strong>the</strong>y f<strong>in</strong>d <strong>the</strong>ir own<br />

natural positions when <strong>the</strong>y are reset.<br />

This makes manufactur<strong>in</strong>g and repair so<br />

much quicker.<br />

“These systems are very dependable. One<br />

must remember that modern watches are<br />

made on mach<strong>in</strong>es, with hand-assembly<br />

used only when strictly necessary.<br />

Therefore, <strong>the</strong>se systems, although nice<br />

©2010 QP Magaz<strong>in</strong>e, all rights reserved

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