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HB 313(digital)

Features
automatic
sweep second
digital display: minute, hour
date: set by changing 20:40-24h

Data
11.5''', Dm= 25.6mm, Do= 27.0mm
H= 5.5mm
F= 1.7mm
T= 2.2mm
25 jewels
f = 18000 A/h
power reserve 39h

Balance staff U2351

Stem W2406

Mainspring / battery
1.20 x 9.5 x 0.11mm

Hands
0.19mm

Comments about the data

Remarks

family/generations:
110: manual wind, 10.5'''
111: manual wind
112: automatic
113: automatic, date
114: manual wind, date
revision date:
213: automatic, date
214: manual wind, date
revision automatic, date:
312: automatic
313: automatic, date (option digital)
314: manual wind, date
minor detail modifications:
411: manual wind
412: automatic
413: automatic, date (option digital)
414: manual wind, date (option digital)

Example, year: signature; shock device
ca. 1970: Ultramatic, 25 Jewels; Rufa-Anti-Shock

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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