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|Hamilton 663 (Buren 1000A)|
12.5''', Dm= 28.15mm, Do= 28.5mm
f = 18000 A/h
power reserve 42h
Balance staff U2490
Mainspring / battery
1.00 x 9.5 x 0.095mm
1.50 x 0.90 x 0.22mm
Comments about the data
first movement family with micro rotor
selfwinding gear with direction switching by a pinion floating between two huge jewels (Fig.3)
in 17-jewels variants one of these jewels substituted by polished steel disc
differences not known between 663, 666
663, 666: second with friction spring
619: second with double third wheel, date
620: second with double third wheel
Hamilton designations of other Buren calibres will be added, as soon as they become known.
Example, year: signature; shock device
ca. 1960: HYL, BAA, 1000A, Hamilton Watch Co., 663, Swiss, 17 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.
|bidfun-db 21.3 © 02-08-15, mtr-Ranfft|
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