Vintage Heuer Trackstar Chronometer 603.306

Vintage Heuer Trackstar Chronometer 603.306

The Heuer 603.306 Chronometer is a handheld mechanical chronometer produced in the 1970s.

It measures time up to 10 minutes, displayed on the subdial at 12 o'clock, and is accurate down to a 10th of a second. The central hand runs a complete loop in 10 seconds.

The Chronometer 603.306 has a swiss made handwound movement with 7 jewels, and features a flyback function. It has an aluminum case, and a hesalite crystal. The movement features an unbreakable mainspring, is shock resistant, and antimagnetic.

The item listed here is new old stock and in perfect condition.