Jaeger LeCoultre Atmos 540 clock needing service $800

Vercingetorix · 2026-01-13T07:45:11-0600

Used Atmos clock. Runs slow and cannot adjust to run faster. I’m thinking something is wrong with the pendulum spring. Has good amplitude. Looks like it had a front plaque. Have references here and am a seller on eBay. Please feel free to ask questions. I would like to do a face to face in Portland Oregon if possible, but can ship for $100. I have shipped lots of these over the years and it is always expensive.

ErichKeane · 2026-01-13T12:59:47-0600

Ooof... DO I need another of these? I am looking at the LAST one you sold here on my desk 😁

I've been tempted to learn how to service these as well. Perhaps i'll let the other Portlanders have a shot first.

ErichPryde · 2026-01-13T15:18:48-0600

Hmm... that's a beauty.
Is there anyone in the Portland area that services these, or would I be looking at a factory service?

Vercingetorix · 2026-01-13T15:31:54-0600

ErichPryde
Hmm... that's a beauty.
Is there anyone in the Portland area that services these, or would I be looking at a factory service?

I have taken one here:
https://www.beachamsclockco.com/
Runs well afterward and a nice day trip.

Vercingetorix · 2026-01-13T15:32:10-0600

ErichKeane
Ooof... DO I need another of these? I am looking at the LAST one you sold here on my desk 😁

I've been tempted to learn how to service these as well. Perhaps i'll let the other Portlanders have a shot first.

You want. 540s are more difficult than the rest. I’m not touching it.

ErichKeane · 2026-01-13T15:34:37-0600

FWIW:

Vercingetorix · 2026-01-13T15:36:21-0600

ErichKeane
FWIW:

Doesn’t seem to work on 540s

ErichKeane · 2026-01-13T15:44:31-0600

Vercingetorix
Doesn’t seem to work on 540s

Oh, hrmph. This might be a 'adjust weights' sorta one then, the FB group (Atmos Clock Repair Group) can be really helpful, lots of knowledgeable guys there. IIRC there is still the 2nd adjustment on that (the collar that he mentions after talking about the weights i that video) as a 'coarse' adjustment thatyou can do.

Vercingetorix · 2026-01-13T15:54:57-0600

ErichKeane
Oh, hrmph. This might be a 'adjust weights' sorta one then, the FB group (Atmos Clock Repair Group) can be really helpful, lots of knowledgeable guys there. IIRC there is still the 2nd adjustment on that (the collar that he mentions after talking about the weights i that video) as a 'coarse' adjustment thatyou can do.

Can’t help but think at one point it must have run properly. It is like 10 minutes a day out at full adjustment.

JimInOz · 2026-01-13T17:13:29-0600

Vercingetorix
Doesn’t seem to work on 540s

It's the correct coarse adjustment for the 540. Although as you've said, if it doesn't work it may be another issue 😟.

If it was in Portland Victoria I'd be in my car and heading off on an eight hour round trip.

Jaeger LeCoultre Atmos 540 clock needing service $800

Vercingetorix

ErichKeane

ErichPryde

Vercingetorix

Vercingetorix

ErichKeane

Vercingetorix

ErichKeane

Vercingetorix

JimInOz

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