Author Archives: mitka88

Service: Citizen 150m Diver 68-5372

A client has sent in his Citizen Diver for a service. It’s not keeping time and looks fairly beaten up.

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Saving a family piece.

A customer has sent me his late grandfather’s Alprosa watch for repair, unfortunately the case back threads have corroded away and the case back is useless. I will see if we can find a donor case.

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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.

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Nerds wanted.

After a lot of positive feedback on my current site, I’m inspired to evolve this website into mitka.co.uk Mark II. This will be an independent blog site that focuses on the really cool/nerdy watch stuff and not just following the … Continue reading

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Service/restoration Helvetia calibre 75A

Here is a great Art Deco Helvetia from the 30’s. It is not running and the case looks a little tatty. The movement however looks to be in very good condition.

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Service Longines Conquest calibre: 291

A Client has sent in his Conquest calibre 291 for a service and case back enamel repair. He has also added 4 extra case backs to be repaired.

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Lemania CH27 the movement that went to the moon!

It’s well known fact the Omega Speed master was the official watch that went to the moon. But Lemania was the company that made the 321 for Omega and is almost identical to Lemania’s own chronograph movement,¬†2510,¬†which is a later … Continue reading

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Revue Sport 50’s re-edition from the 90’s calibre: MSR X1

A customer has sent in his lovely Revue sport that has stopped. It has the in-house calibre MSR X1 and I suspect a service will get it running again. I’m especially happy to work on this as when I was … Continue reading

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One of the worlds oldest automatic chronographs turns 50!

I picked this Seiko 6139-6010 up from Japan. The Serial number shows it was made in March 1969 and that means this month it turned 50 years old. The earliest I have seen are from February 69. It’s one of … Continue reading

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Service Citizen chronograph, calibre 8100

A costumer has sent in his lovely citizen calibre 8100. This is a real fly back automatic chronograph that citizen developed to fight Seiko’s 6139. It’s not resetting correctly and needs a service.

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