Current Chronograph Movements - Page 4
Rolex 4130
Produced by Rolex since 2000
automatic integrated construction, 28,800 bph, 30.5 mm diameter,
6.5 mm height, 72 h
power-reserve, column wheel design
Examples of watches that use this movement: Rolex Daytona produced since 2000

Union 26
Produced by Union since 1997
automatic modular construction with Union base movement, 28,800 bph, 25.6 mm
diameter, 40 h
power-reserve, cam/lever design
Examples of watches that use this movement: Union chronographs

Zenith 400 El Primero
Produced by Zenith since 1969
automatic integrated construction, 36,000 bph,
30 mm diameter, 5.7 mm height, 25 rubies, 55 h power-reserve, column wheel design
Examples of watches that use this movement: all Zenith chronographs, Parmigiani,
pre-2000 versions of the Rolex Daytona (heavily modified), Daniel Roth
