ETA 7754

Self-winding chronograph movement with 25 jewels, ball-bearing rotor, unidirectional winding, 1/8-seconds counter, 30-minutes counter, 12-hours counter, 28.800 A/h, power reserve ca. 44 hours.

Variation of the Valjoux 7750, with additional 24 hours hand and second time zone mechanism (GMT).

Since the takeover of Valjoux by ETA the movement is also called Calibre ETA 7754.

Also Known As

Ball RR1105
Bremont BE-54AE

Manufacturer:

ETA/Valjoux

Description:

Automatic chronograph
Escapement stone lever
Yoke winding system
Stop mechanism Cam switching
Glucydur balance wheel
Nivaflex mainspring
Incabloc shock protection
Regulator system ETACHRON and regulator corrector

Functions:

Small seconds at the 9
1/8-seconds counter, 30-minutes counter, 12-hours counter
Rapid calendar advance
Hacking seconds
Complications 12 hours counter, day quickset feature, 24 hours hand with second time zone mechanism (GMT)

Data:

13¼ lignes
D 30.0 mm, H 7.9 mm
25 jewels
28,800 A/h
Power reserve 44 h

Production period:

Since 2003