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Bill in Sacto
·In moving to a new computer I tripped across this letter I had saved from 2004, with information of the RAF 1953 CK 2777. I've inserted the entire note below, but the odd sentence concerns a Railmaster follow-on model 14.388. It's not the "Admiralty" we know, but seemingly with the anti-magnetic construction of a Railmaster. [ I'm guessing that the "tin joint" replaces the "lead gasket." ]
This model was relaunched in 1957 in a case with bigger lugs, under the name "Rail master" (see No 143). In 1959, an almost identical piece was produced, but under reference 14.388 “Admiralty,” with calibre 285 and tin joint.
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Thanks for your message. Below, the description of a similar watch style belonging to our Museum. We don't know much about these military engravings but this description might help you a little bit. Best regards and merry Christmas!
61. OMEGA antimagnetic “RAF” watch, 1953: Model specially designed for the Royal Air Force equipped with chronometer calibre 30 SC T3 - 283, protected by a double case made
· outside of a water-resistant Staybrite stainless steel case with back screw-in on a lead gasket and
· inside of a calotte, a casing ring and a dial (1 mm thick vs. 0.4 mm for a standard dial) in mumetal - or soft iron - forming a screen against magnetic fields up to more than 900 Oersted in any position, instead of 60 for an ordinary antimagnetic watch!
Special paper disk between case and calotte. Matt black oxidised dial with the British army's typical “Broad Arrow” at 6 o'clock, radium skeleton stick hands and hour markers, back engraved with a registration number 6645 101000, 6S/542/53 (6645 being the NATO code and /53 the year in which the order was placed) and the same characteristic arrow as on the dial at 6 o'clock, soldered attachment pieces. 5900 pieces produced. (CK 2777).
This model was relaunched in 1957 in a case with bigger lugs, under the name "Rail master" (see No 143). In 1959, an almost identical piece was produced, but under reference 14.388 “Admiralty,” with calibre 285 and tin joint.
Jean-Luc Miranda, Omega Museum (vintage Information)
This model was relaunched in 1957 in a case with bigger lugs, under the name "Rail master" (see No 143). In 1959, an almost identical piece was produced, but under reference 14.388 “Admiralty,” with calibre 285 and tin joint.
- - - - - - - - - - - - - - - -
Thanks for your message. Below, the description of a similar watch style belonging to our Museum. We don't know much about these military engravings but this description might help you a little bit. Best regards and merry Christmas!
61. OMEGA antimagnetic “RAF” watch, 1953: Model specially designed for the Royal Air Force equipped with chronometer calibre 30 SC T3 - 283, protected by a double case made
· outside of a water-resistant Staybrite stainless steel case with back screw-in on a lead gasket and
· inside of a calotte, a casing ring and a dial (1 mm thick vs. 0.4 mm for a standard dial) in mumetal - or soft iron - forming a screen against magnetic fields up to more than 900 Oersted in any position, instead of 60 for an ordinary antimagnetic watch!
Special paper disk between case and calotte. Matt black oxidised dial with the British army's typical “Broad Arrow” at 6 o'clock, radium skeleton stick hands and hour markers, back engraved with a registration number 6645 101000, 6S/542/53 (6645 being the NATO code and /53 the year in which the order was placed) and the same characteristic arrow as on the dial at 6 o'clock, soldered attachment pieces. 5900 pieces produced. (CK 2777).
This model was relaunched in 1957 in a case with bigger lugs, under the name "Rail master" (see No 143). In 1959, an almost identical piece was produced, but under reference 14.388 “Admiralty,” with calibre 285 and tin joint.
Jean-Luc Miranda, Omega Museum (vintage Information)
