Jaeger-LeCoultre

Dje
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They are hacking, and slightly more

Hi Mostel,

Both seconds hands are hacking, and bring a little more. Here is what I wrote last year:

"As I wrote about hacking the watch, in fact I must explain. If you pull the crown it stops the seconds hand immediately and the lighting seconds hand keeps running till it stops at 0. The other indicators are stopped too but you obviously can't notice it. If you pull again lightly the crown the central seconds hand goes back to 0, pushed by a heart cam like those used for resetting chronograph hands.

Once you push back the crown at the desired moment the hands and all indicators begin running again. At this precise time the escapement is still at full precision as it was not stopped and is not interfered by the re-activation of the indicators."

It was there:  jlc.watchprosite.com /

Cheers

Dje