Nivada Grenchen Chronomaster Aviator Sea Diver Chronograph squarewatches A relative rarity on the

A relative rarity on the market

Watches such as this one are fun and wonderful timepieces

paving the way for the manned space flights that would follow

This outstanding time-capsule example is one of them

Although less well known to collectors today than its aforementioned competitors

Nivada Grenchen Chronomaster Aviator Sea Diver Chronograph squarewatches A relative rarity on theCroton, Nivada, or Nivada Grenchen: by whatever name they go by, this companys watches were meant to handle anything. And no model of Nivada's typifies this more than the Chronomaster Aviator Sea Diver; not only is it a chronograph (a chronomaster, even), but it can be used at sea and in the air. Nivada (called Croton in the U. S. due to a copyright dispute with Movado) introduced the Chronomaster Aviator Sea Diver in 1963 and produced it in many