Scans of an observatory tourbillon

Found these photos in my archives, they were sent to me a few years ago but don't remember by whom. These scans are courtesy of the person who sent them to me Scans of an observatory tourbillon

Here is something extremely rare: a Vacheron Constantin tourbillon movement( with Guillaume balance) which entered the 1965 Geneva Observatory Trial scoring a total of 39.76 points out of a maximum of 60. The movement was subsequently recased as a pocket watch.

Scans of an observatory tourbillon

Scans of an observatory tourbillon

Scans of an observatory tourbillon

Scans of an observatory tourbillon

Scans of an observatory tourbillon

Scans of an observatory tourbillon

Scans of an observatory tourbillon

Scans of an observatory tourbillon

You know what I like tourbillons,
04/26/2008 - 10:58

but in this way, wow, it's beautiful

Never seen it before, only the "famous" pw,

with the cieseled back.

Is this also a movement from the same time, the 30's ?,

which has been spared for the future, or was it created in the 60's?

Thanks Alex!

Cheers

Doc

I don't know what the date of manufacture was but I guess
04/26/2008 - 16:00

it must have been made in the 60s if not it would have run for trials earlier...but this is just guess work here.

Re: Scans of an observatory tourbillon
04/26/2008 - 16:05

It's better if I don't look watch like this... Too beautiful! And so rarely pieces...

A great movement Alex!
04/26/2008 - 21:44

Great by the Tourbillon which is awesome, but also by the Guillaume balance, which is not commonly used.

Do you know how many of those movements VC made at this time? Some left?

Question
04/28/2008 - 13:54

Thanks Alex for such beautiful pictures.

I think the finishing is gorgeous, I could spend hours looking at the movement...

One question though: shouldn't the "Cotes de Geneve" all be aligned? They prettu much are, except for the last "bit" at the bottom, linking to the tourbillon... the Cotes have been done at an angle, and are curved... why is that?

Thanks,

Veillotron

good observation! I don't know why they don't match other than
04/28/2008 - 16:52

the fact that maybe the tourbillon bridge was changed?

Re: good observation! I don't know why they don't match other than
04/28/2008 - 17:09

Thanks for the reply - at least now I know what a tourbillon bridge is