Seiko Stopwatch 89ST 1/100th sec.

Описание к видео Seiko Stopwatch 89ST 1/100th sec.

The Seiko 89ST 030 1/100th second stopwatch operates at 100Hz (360,000bph). One rotation of the dial occurs every 3 seconds and the watch has a total time of 10 minutes. This is part of a series of models created for the 1964 Tokyo Olympics.

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