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My Timekeeping


Gary

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A .99 cent purchase . Guy said it needed a battery. Hmmm. Just a wind.

Don't think my photo is showing up? Will investigate further. Photo size may exceed limits. Anyway...99 cent Marvin from late 40's. Great piece. This is my first post and I'm looking forward to being here. I really want to be able to clean and work on my watches.

Photos to come !

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Thank you for the kind welcome. Actually I have another Marvin from that vendor and as they both work they are losing 3-5 minutes a day. I will be glad when I can disassemble and reassemble with nice cleaning and lubrication.  I am reading as much as possible and look forward to the next post!

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Today! Gains about 30 seconds a day. In need of a cleaning.

30 seconds is not too bad at all. The cleaning may remedy that. I've got two of my repairs under observation to try to get them regulated for optimal performance. Right now one is within 1 minute from quartz timie, and the other goes from 3 to 5 minutes off AFTER cleaning and oiling. I guess I would be OK with 30 seconds to 1 minute deviations per 24 hrs--yup.

JC

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One of the Stargate Seikos I restored starter gaining about 10 min a day after cleaning and all. I thought being a Stargate it was giving me the time in another planet! :) When I looked closely there was a drop of oil shorting the hairspring. Once I cleaned the whole balance and re lubed, it started working fine....

 

So maybe on both cases, it is just the hairspring coils touching!

Edited by bobm12
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  • 4 weeks later...

marvin's are great value...you will usually find the movements marked 3 adj or 5 adj. This means that they left the factory with additional work done to ensure that the run accurately!. Practically chronograph grade.

 

Also they are a true manufacturer and I have not come across any ebauches..(mechanism made by other companies like ETA, AS, FEF, FHF, ST) so they are quite high quality.

 

Be careful not to drop it as most of them date from the fifties and do not have any shock-protection at all.

 

Anil

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