

With 18,000 bph and a smooth action, the Valjoux 23 remains superlative.Īnother salient feature of this watch: the bi-directional bezel, showing 60-minute elapsed time as well as a GMT function.

Ours has the venerable Valjoux 23, that column-wheel movement that powered chronographs by Rolex and Heuer, among others. The Chronomaster also used many different movements, from the Valjoux to the Landeron 248. Nivada used broad arrow hands during the 1960s before transitioning to stick hands in the 1970s it's the latter style that you see here. The registers are black on black, with a red triangle in the 30 minute subdial for timing regattas. The most common iteration, featured on this watch, has two chronograph registers at 3 and 9 o'clock, and later versions had the addition of a date window. It came in many different flavors throughout its fifteen-year run. due to a copyright dispute with Movado, because "Nivada" clearly sounds like "Movado") introduced the Chronomaster Aviator Sea Diver in 1963 and produced it until 1978. Not only is it a chronograph (a chrono master, even), it can be used at sea and in the air. No model of Nivada's typifies this more than the Chronomaster Aviator Sea Diver. Croton, Nivada, or Nivada Grenchen: by whatever name they go by, these watches were meant to handle anything.
