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Facts:

Fabrique d’ebauches de Peseux, S.A. AKA Peseux was an ebauche movement house which was acquired by ETA in 1985. The caliber 7001 was manufactured under the Peseux name from 1971 (<= 1968) until 1985. From 1985 until today, the 7001 is still produced by ETA.

Movement name:

1971 (<=1968) – 1985 Peseux 7001, Peseux (ETA) 7001, Peseux ETA 7001
1985 -> ETA Peseux 7001, ETA 7001

https://www.eta.ch/en/our-products/mechanical-movements/mecaline-specialities/eta-mecaline-specialities-7001

10 lignes ½ ‴
Diameter 23,30 mm
Height 2,50 mm
Hours, minutes, small second
Manual winding
Frequency: 21’600 vibrations per hour; 3 Hz
17 jewels
Typical power reserve: 45 hours (!?)


What is technical difference of standard movement what is produced to 1985 and from 1985? NOTHING!

Source
http://www.ranfft.de/cgi-bin/bidfun-db.cgi?12&ranfft&180&2uswk&Peseux_7001
18000 / 21600 A/h respectively:
7000/7001: 10.5”’
7010/7011: 11.5”’
7016/7017: 11.5”’, date

http://www.ranfft.de/cgi-bin/bidfun-db.cgi?12&ranfft&180&2uswk&ETA_7001
1971-1985: Peseux 7001, < 2350000 (<=1968!?)
1985-2004, 2011-: ETA 7001
since 2011 optional excenter regulator Etachron

Technical data for both:
10.5”’, Dm= 23.3mm, Do= 23.7mm
H= 2.5mm
F= 1.0mm
T= 1.25mm
17 jewels
f = 21600 A/h
power reserve 42h

Balance staff U3151

Stem W2909

Mainspring / battery
Zf348, 1.00 x 9.0 x 0.11 x 260mm

Hands
1.30 x 0.80 / 0.17

But, many brands use standard movement and make changes, enhancements…

Peseux produce and calibre family 7040 from 1968 (exist and skelettonized).

10.5”’, Dm= 23.3mm, Do= 23.7mm
H= 3.1mm
F= 1.0mm
T= 1.6mm
17 jewels
f = 21600 A/h
power reserve 44h

Balance staff U3255

Stem W3244

Mainspring / battery
Zf773, 1.25 x 9.5 x 0.11 x 290mm

Hands
1.40 x 0.80 / 0.20mm

base calibre H= 3.1mm
7040: 10.5”’
7046: 10.5”’, date
7050: 11.5”’
7056: 11.5”’, date
7057: 11.5”’, day, date

base calibre H= 3.5mm
7060: 10.5”’
7066: 10.5”’, date
7070: 11.5”’
7076: 11.5”’, date
7077: 11.5”’, day, date