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Gary

By Gary
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Gary Super WRT Addict

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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Gary Super WRT Addict

Gary

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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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noirrac1j Distinguished Member

noirrac1j

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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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bobm12 Distinguished Member

bobm12

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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...
anilv Distinguished Member

anilv

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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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    • Neverenoughwatches
      Stem removal after fitting hands

      By Neverenoughwatches · Posted

      I think what peter means oh is once he has fitted the hands and  checked for  alignment if them and that they dont foul, how does he then hold the movement to remove the stem in order to case up. The dial cannot be laid on a cushion or in a movement holder as the hands will get damaged. This can be quite tricky for a beginner, what i do is  to stand the movement on edge on a rubber pad so it doesn't slip. Hold the top edge with one finger then my dominant hand uses 3 fingers to press the stem release and flick out the stem. See below peter, leave off the second hand as this is the longest and gets caught the most, then fit it once the stem is out.
    • PeterS
      Stem removal after fitting hands

      By PeterS · Posted

      Yes I understand that. What I’m asking is, after the hands have been fitted, it’s been checked that the hands do not touch etc. then I need to remove the stem to fit the movement in the case. I have the push type, I need to turn it upside down and push the setting lever post and pull the stem out. But of course the dial and hands are in place and I have a glossy dial with lume dots and I do not want to cause any damage while it’s upside down pushing on the post of the setting lever.
    • oldhippy
      Stem removal after fitting hands

      By oldhippy · Posted

      You have answered your own question. You just push the setting lever nipple in or if its the screw in type unscrew it a little. You should always remove any hands and the dial before putting it in your movement holder. 
    • HectorLooi
      Battery

      By HectorLooi · Posted

      Did the old battery leak and damaged the circuit board? Can you post some photos of where the buttons make contact on the circuit board.  Try cleaning the gold fingers on the board with alcohol and also the conductive rubber strips behind the LCD display panel.
    • PeterS
      Stem removal after fitting hands

      By PeterS · Posted

      How do you safely remove the stem after fitting hands? I’m talking about the push type setting lever you need to push to release the stem. Some dials can be intricate, glossy finish, lume dots etc. and placing it in the movement holder can be quite risky and cause damage.
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