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About
Book service
Price list
Watch Store
Newly added
Alpina
Certina
Citizen
Cyma
Eterna
Helvetia
IWC
Junghans
Lemania
Longines
Omega
Revue
Rolex
Roamer watch co.
Seiko
Universal Geneve
Zenith SA
Other brands:
Nomos
AS
Gallet
Hamilton
Heuer
H. Moser & Cie
Tracking
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Movement score chart.
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Service/restoration Helvetia calibre 75A
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Saving a family piece.
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Service: Patek Philippe calibre 30-300 PM
A customer has sent in his Patek Philippe calibre 30-300 PM for a service.
Movement does not look especially dirty, but there are some fibres here and there.
Dial and hands before I remove them.
I notice there is a little more dirt on the dial side.
I now start taking apart the gear train.Â
Here you can see some of the gear train exposed.
I will take out the mainspring and clean it.
Movement cleaned and ready to be put back together.
Mainspring is oiled and put back into the barrel.
I see that the balance moves freely after fitting the shock jewels.
The ratchet wheel is placed on the underside of the barrel bridge.
I fit the barrel and barrel bridge.
I now fit the setting/winding mechanism.
The gear train goes back into the movement.
I’m happy to have a ticking movement again! I must say it does look very nice.
That’s good enough for an old Patek;)
Ready for dial and hands.
Dial and hands back in place
Movement goes back into the case.
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mitka88
May 10, 2019
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Service/restoration Helvetia calibre 75A
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Saving a family piece.
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