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There is a very brisk market in these highly sought after diving collectibles, so don't expect them to be on the market for long.
Heading the list of helmets in demand are those of DESCO, Morse, Miller-Dunn, and Schrader in the United States.
1952 saw the introduction of the 8 day conical pivot QH movement.
The escapement itself was manufactured and assembled at the No.1 factory, Enfield works, Edmonton.
On rare occasions we may offer a rare and interesting custom made high quality reproduction which will be clearly identified as such.
The extremely rare helmet on the left is a US Navy MK V made by Schrader in 1919 which was retrofitted with a Heli-Ox system in the 1930's.
Herschede was one of the last American companies to manufacture their own clock movements.
On the 24th January 1949 the main part of the Enfield Factory opened for the assembly and part manufacture of the F3 striking clock.