Several Common Chronograph Movements

Rolex 4130

Produced by Rolex since 2000, automatic integrated construction, 28,800 bph, 30.5mm diameter, 6.5mm 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, 25.6mm 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, 30mm diameter, 5.7mm 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, Daniel Roth.

Lemania 1350

Produced by Noubelle Lemania since 1994, automatic integrated construction, available with flyback feature, 28,800 bph, 31mm diameter, 6.4mm height, 30 jewels, 45 h power reserve, cam/lever design. Examples of watches that use this movement: Breguet Type XX(with additional flyback feature), Ebel 1911 chronograph.

Lemania 5100

Produced by Nouvelle Lemania since 1974, automatic integrated construction with central minute counter, 28,800 bph, 31mm diameter, 8.25mm height, 17 jewels, 48 h power reserve, cam/lever design. Examples of watches that use this movement: Tutima Military, Sinn 142.

Patek Philippe 27-70 Q

Produced by Patek Philippe since 1986, handwind based on Lemania 2310, 18,000 bph, 27mm diameter, 7.2mm height, 24 rubies, 60 h power reserve, gyromax balance, column wheel design. Examples of watches that use this movement: all current Patek Philippe chronographs, as Lemania 2310 used by Breguet and Vacheron Constantin.

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