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View picture in original size
Fig. 1

View picture in original size
Fig. 2

Citizen 2300

Features
manual wind
sweep second

Data
6.75 x 8''', Dm= 15.3 x 17.85mm
Do= 15.3 x 18.2mm
H= 4.5mm
F= 0.8mm
T= 1.8mm
17 jewels
f = 18000 A/h
power reserve 39h

Balance staff U3157

Stem W3015

Mainspring / battery
Zf1187, 1.50 x 7.5 x 0.08 x 245mm

Hands
1.2 x 0.7 x 0.18mm

Comments about the data

Remarks

family/generations:
0110-0170: no second
2300-2340A: second
5100, 5300: new balance, second
5110, 5310, 5321: new balance, second,date
differences not known between 2300-2305, 2340A

Example, year: signature; shock device
1966: Citizen, Japan, 17 J.; Parashock-3
(Citizen 2302)

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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