I am in need of a new hairspring for my Omega bumper (cal. 344). I have heard that all Omega bumper movements use the same hairspring. Can anyone verify? Also, anybody have any leads on where to find a replacement?
All these Omega's shared the same balance complete. This is from the Jules Borel website: You will probably end up having to buy the balance complete. Jules Borel doesn't have the part (balance complete or hairspring) in stock.
BALANCE COMPLETE, INC
OME 28.10RA OME 28.10RASC AUTOMATIC SWEEP SECOND OME 30.10RA AUTOMATIC-INCABLOC OME 330 AUTO/INCA/FOR 1.07MM HUB STEM USE MOD 28.10R OME 331 AUTOMATIC-INCABLOC OME 332 AUTOMATIC SMALL SECOND OME 333 AUTOMATIC-INCABLOC-REGULATING DEVICE OME 340 AUTOMATIC-INCABLOC OME 341 AUTOMATIC-INCABLOC OME 342 IUTOMATIC-INCABLOC SMALL SECOND OME 343 AUTOMATIC-INCABLOC-REGULATING DEVICE OME 344 AUTO**(CUST MUST ALTER SUB BEARING PLATE)** SMALL SECOND OME 350 AUTOMATIC-SWEEP SECOND-INCABLOC OME 351 AUTOMATIC-SWEEP-SECOND OME 352 AUTOMATIC-SWEEP SECOND-INCA-REGULATING DEVICE OME 353 AUTOMATIC-SWEEP SECOND-CALENDAR OME 354 AUTOMATIC SWEEP SECOND-INCA OME 355 INCABLOC
You may want to try one of these companies: McCaw's, Esslingers, Eckcells, and Cas-ker.
If they don't have the part you could also try: Mechanical Watch Supply LLC: http://mechanicalwatchsupply.com/ Look elsewhere 1st, because he admits he charges more, but he has rare and hard to find wrist and pocket watch parts. firstname.lastname@example.org
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Twin City or Barton and Chase may also have the parts you need.