
Zenith Retrotimer
New Line, New Standard in the Zenith Chronograph Collection
· 1st Automatic El Primero Monopusher Flyback Chronograph
· New El Primero 4055 B Caliber : 281 Components, 31 jewels & 36’000 VpH
· Exclusive “Press and release” Monopusher Chronograph
· Available in Black PVD or Stainless Steel 42 mm Case Diameter
· Tickness: 12.75 mm
Movement
El Primero 4055 B, Automatic
Caliber : 13 ¼ ``` (Diameter : 30 mm)
Height : 6.60 mm
Components : 281
Jewels : 31
Frequency : 36’000 VpH – (5 Hz)
Power reserve : min. 50 hours
Finishings : Heavy metal oscillating weight with “Côtes de Genève” pattern.
NAC Treatement on the Black PVD version (an electroplating treatment that blackens the movement bridges and main plate)
