HomeRanfft
Watches
Pink Pages
for Timepieces
.
Home
All Items
Ranfft Items
Brand Shops
Commit an Item
How to do right
Condition of Watches
About Watches
Links
  Help   Log In  Register, Clients   Deutsch  English  EUR  US$  CHF  UKŁ 
 
 
 Index  Timepiece Archive, Categories  Archive: Watch Movements    Timepiece Market 
 
View picture in original size
Fig. 1

View picture in original size
Fig. 2

View picture in original size
Fig. 3

View picture in original size
Fig. 4

Certina 28-151

Features
manual wind
sweep second
date: set by changing 21:15-24h

Data
12.5''', Dm= 28.0mm, Do= 28.4mm
H= 4.9mm
F= 1.8mm
T= 2.8mm
17 jewels
f = 18000 A/h
power reserve 46h

Balance staff U2782

Stem W2805

Mainspring / battery
1.40 x 11.5 x 0.125 x 360mm

Hands
1.50 x 0.90 x 0.18mm

Comments about the data

Remarks
Girocap combined settings for escapement wheel
after 1957 ring balance and mobile stud carrier

family/generations:
28-15: 18000 A/h
28-151: 18000 A/h, date
28-16: 19800 A/h
28-161: 19800 A/h, date
28-163: 19800 A/h, date, circadian rhythm

Example, year: signature; shock device
1-2) 1957: Certina, 28-151, Swiss, 17 Jewels; Incabloc
3-4) 1957: Certina, 28-151, 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


bidfun home
...the alternative - free of charge!
Dr. Roland Ranfft
Poststr. 32a
26388 Wilhelmshaven
Germany
phone +49 (0)4423 9849691

email: info@ranfft.de
.