Tissot
Seastar 1000 Powermatic 80 GMT T1204291105101
Retail: $1,375
An automatic watch is powered by the energy of the person who wears it. Wrist movement enables the mechanism to run. The Powermatic 80 movement boasts 80 hours of power reserve, which is enough to continue telling time accurately even if the watch is not worn for three days. It is an innovative movement that outperforms the competition, whose movements generally provide 1.5 days of power reserve*.
Source: Tissot website, last updated Mar 2026
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