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View picture in original size
Fig. 1

ETA-ESA 255.462

Features
quartz controlled stepper motor
sweep second
time-zone quickset of hour hand
date: quickset

Data
10.5''', Dm= 23.3mm
H= 2.45mm (2.6mm with battery)
6 jewels
f = 32768 Hz

Stem ESA 255.111

Mainspring / battery
373

Hands
1.20 x 0.70 x 0.20mm

Comments about the data

Remarks

family/generations:
11.5''':
255.111: sweep second, date
255.112: same, minor modifications
255.121: sweep second, day, date
255.122: sweep second, day at 12h, date
255.241: sweep second, chronograph, date
255.265: sweep second, date, 24h time zone
255.266: same, minor modifications
10.5''':
255.411: sweep second, date
255.412: same, minor modifications
255.421: sweep second, day, date
255.431: Longlife, no second
255.441: Longlife, no second, date
255.461: sweep second, date, time zone
255.462: same, minor modifications
255.481: sub second, calendar (windows), moon phase
255.483: sub second, calendar (hands), moon phase
255.485: sweep second, calendar (windows), moon phase
255.487: sweep second, calendar (hands), moon phase
255.491: sub second, date
255.495: sweep second, day at 12h, date
255.511: like 255.411, minor modifications
255.561: like 255.461, minor modifications

Example, year: signature; shock device
ca. 1990: Certina 156, Swiss V8, 6 Jewels
(ETA-ESA 255.411)

© E. Streit, SWISS-MADE-TIME

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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