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Hello all
I just got the FINAL email on the subject of the caliber 283 with swan neck regulator from Omega.
Omega has CONFIRMED my 283 with swan neck is original from the factory. They found only TWO pieces of documentation that shows the regulator and balance cock with the proper engravings. Both of these drawings are dated June 29 1955. They are drawing of the two parts: balance bridge 284.1006 and the swan neck regulator 284.1356. There is no other documentation at Bienne, no spare parts, no other indication that this watch was ever produced. The part number are referenced to the next caliber they were designing caliber 284. Also on the drawing of the balance bridge written in pencil “Cancelled on December 14th 1957”. A very small number of these 283 Swan neck movements were produced, aka caliber 283 Rg.
Actual movement pics
I think the email from Omega says it best ....
“ this type of product has certainly been manufactured during a short period of time which corresponds to the time of production of your watch. For any reason, this version has been cancelled soon, which explains why the watches same reference belonging to the Museum, produced at a different period of time, have a well known 283 calibre with standard regulator.
*Unfortunately we have presently no trace of destination or amount of movements produced in that version. “
The other question outstanding about the two 1955 Railmasters ( one black dial example and one white dial example). The Railmaster wasn’t introduced until 1957, but both examples were sold in Jan of 1956 and produced in Oct of 1955 according to Omega records.
According to Marco Richon : ( Omega Museum, Bienne)
- This white dial is original and produced in small quantity for specific order or purpose … (or)
- This white dial has been refurbished according to customer desire … (or)
This watch is a prototype for the future “Railmaster” model.
We can rule out number 2 as the dial is Original.
In either case the White dial manual wind w/ caliber 283Rg is a very uncommon timepiece from Omega. Actually any Omega antimag wristwatch with the 283Rg is an uncommon watch.
When I have more time I will post complete report a long with hi res images..
Best regards and Good Hunting
Bill Sohne
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