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The BE-50AE is an automatic chronograph movement from Bremont based on the Valjoux 7750 base.

Introduced in 2008 with the launch of the company, the BE-50AE is based on the popular 7750 ebauche from ETA. It is a chronograph movement featuring a custom moulded and decorated rotor along with other decorations.

All of Bremont's BE-50AE movements include hour/minute/second hands, date, and chronograph small counters with seconds and 30 minutes scales. The date can be located at 6:00 or 4:30.

Although the 7750 is rated for 44 hour power, Bremont rates the BE-50AE for only 42 hours.

The BE-50AE was introduced on the Bremont ALT-1 model line ALT1-C and ALT1-P in 2008 and was used for the Bremont Norton Limited Edition model as well. Later Bremont chronographs use the BE-54AE or BE-83AR movements.


Automatic chronograph
Escapement: stone lever
Yoke winding system
Stop mechanism: Cam switching
Glucydur balance wheel
Nivaflex 1 mainspring
Incabloc shock protection
Anachron balance spring


Hours, minutes, seconds
1 seconds counter, 30-minutes counter
Rapid calendar advance
Hacking seconds
Complications: Quickset date feature


13¼ lignes
D 30.0 mm, H 7.9 mm
25 jewels
28,800 A/h
Power reserve 42h

Production period:

Since 2008