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Home » The Gruen Model Database » The caliber database » The Caliber 250 Dietrich Gruen (Variant without wind indicator)
The Caliber 250 Dietrich Gruen [message #16515] Mon, 25 April 2022 01:18 Go to previous message
thesnark17 is currently offline  thesnark17
Messages: 649
Registered: January 2017
Gruen Master
About 1,000 early UltraThins were made, between SN 41,000 and 42,500. They are impressively thin, and impeccably finished throughout. Some (though not this one) are graded Extra Precision. It is unknown whether the later UltraThins in SN 148-150k and 185k are the same in all respects.

Of interest, the dial is marked with the movement serial number, and also has a manufacturer's mark. It is a sterile dial on the front.

EDIT -- this is not an UltraThin, it is a caliber 250 without wind indicator.


[Updated on: Mon, 25 April 2022 21:32]

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