ZWD, Author at RK Watch Service

Roller table for cal. 321

Hello OF!

I have a 26,55X,XXX 321 movement from a 145.012-67 that I am rebuilding. The balance wheel has damaged pinons and the roller table is missing. I see it’s part number 1324/6527 and i was hoping to see if there are other movements that used this same roller table so I can broaden my search for one. The documentation that I have on the 320/321 does not seem to list the roller table individually. Is it part of a larger family or specific to the 320/321/CH27.

Side question – I read…

Speedmaster 145.012 Pusher gasket dimensions

Hello OF,

I am looking to see if anyone has the dimensions for a generic replacement of the gaskets in the pushers for a 145.012.
From what I have read on here it seems it was common to replace entire pusher/tube rather than just the gasket – but hop…

145.012 Movement Holder installation order

Hello OF!

I am currently putting a 145.012-67SP back together and now have all the parts to do a test fit. I am bit of a loss trying to use documentation and various images around the net to understand the order of operation on reassembly. The movement holder I have is with holes rather than notches to allow the movement holder to be just dropped in with the Start/Stop & Reset Stems attached (1757A&1758A).

I’m gathering that I need to install the start/stop lever (1720) after putting the…

Movement holder for 321 vs 861

Hello!

i have just embarked on a journey to restore a 321 movement and while looking into the peripherals, some questions have popped up.

Can i use a 861 movement holder with jewel support pins on a 321? (are the subdial jewels in the same location…

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