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View picture in original size
Fig. 1

View picture in original size
Fig. 2

Unitas 6565

manual wind
sub second

8.75''', Dm= 19.4mm, Do= 19.7mm
H= 3.3mm
F= 0.7mm
T= 1.6mm
17 jewels
f = 21600 A/h
power reserve 39h

Balance staff U3460

Stem W3695

Mainspring / battery
Zf1198, 1.50 x 7.5 x 0.09 x 220mm

1.20 x 0.60 / 0.18mm

Comments about the data


18000 A/h, fixed hairspring stud:
630...633: -
18000 A/h, mobile hairspring stud:
6360, 6362, 6363: -
6470: date
6475: day, date
6476: day, date, raised hand posts
21600 A/h:
6365: -
6366: raised hand posts
6480: date
6481: date, raised hand posts
6485: day, date
6486: day, date, raised hand posts
suffix N: modified balance and stem mechanism
21600 A/h, redesign:
6565: -
6580: date

Example, year: signature; shock device
ca. 1975: Nivada, 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.

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