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date: set by changing 20-24h
11.75''', Dm= 26.4mm, Do= 26.8mm
(rotor bearing +0.1mm)
f = 18000 A/h
power reserve 45h
Balance staff U2707
Mainspring / battery
1.40 x 10.5 x 0.11mm
1.50 x 0.90 x 0.20mm
Comments about the data
strange: if 24 jewels, minute wheel and automatic transmission wheel running on ruby studs (Fig.4)
1140: manual wind
1141: manual, date
1143: manual, day, date
1145: auto, date
1146: auto, 24h, date
1147: auto, day, date
suffix B: bridge for manual winding gear (automatics)
suffix C: minor modifications
suffix D (on automatic bridge): new automatic gear
Here only the known variants are listed.
Occasionally parts of other calibres or from the predecessor family were used. But always the gold color of all parts is uniform, and if signature changes were necessary, they were made bofore gold plating.
Thus, differently gilt parts and signatures not matching the features indicate part swapping.
Example, year: signature; shock device
ca. 1970: A-R 1145, Enicar Watch Co Swiss, 24 Jewels; Incabloc
Not for Sale!
The movements presented in this caliber finder are not for sale. This is only a data sheet for identification and evaluation of the movement calibre, as well as for approximate dating.
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