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Chrono COS

The Crown Operation System, short COS stands for Habring²'s exclusive patented world novelty. It means a Chronograph which is operable completely without pushers, buttons or other operating devices.

In order to activate the classic stop-function the well known and well tried crown is sufficient - the crown only needs to be turned around against easily felt resistances.

  • Mechanical - hand wound
  • Movement calibre A08COS
  • Patented crown-operation-system (COS) for operating the chronograph function by turning the crown
  • Limited quantity
  • Indication of hours and minutes, small seconds at 9h, chronograph-function with
  • indication of seconds from the center and 30-minutes counter at 3h
  • Shockprotected according DIN and NIHS
  • 17 jewels
  • Power reserve after being fully wound: approx. 48 hours
  • maintenance relevant parts