Tissot PRX Powermatic 80 vs Tissot Seastar 1000 Automatic

Tissot's design language vs Tissot's approach

The Tissot PRX Powermatic 80 features a 316L Stainless Steel case at 40mm with Scratch-resistant Sapphire protection. The Tissot Seastar 1000 Automatic offers Stainless Steel construction at 40mm with Sapphire Crystal. Both represent their brand's distinct design philosophy and heritage.

Automatic Powermatic 80.111 vs Automatic Powermatic 80 (Caliber 80.111)

The PRX Powermatic 80 runs the Automatic Powermatic 80.111 (In-House Automatic (ETA C07.111 base), 80 Hours power reserve) at 21,600 vph (3 Hz) frequency. The Seastar 1000 Automatic uses the Automatic Powermatic 80 (Caliber 80.111) (ETA/Tissot Automatic, 80 Hours reserve) at 21,600 vph (3 Hz). Power reserves are closely matched.

40mm vs 40mm — different wrist presence

At 40mm, the PRX Powermatic 80 is similarly sized compared to the Seastar 1000 Automatic at 40mm. Water resistance differs: 100m (10 ATM) vs 300m (30 ATM).

Same tier — different value propositions

The Tissot PRX Powermatic 80 sits at $500–$1,000 and the Tissot Seastar 1000 Automatic at $500–$1,000. On the specs that outlast any price: the PRX Powermatic 80 uses Scratch-resistant Sapphire with 80 Hours, against Sapphire Crystal and 80 Hours on the Seastar 1000 Automatic. Service intervals are typically 5-7 years for both.

100m (10 ATM) vs 300m (30 ATM)

The PRX Powermatic 80 is rated to 100m (10 ATM) while the Seastar 1000 Automatic handles 300m (30 ATM). The Seastar 1000 Automatic offers superior water resistance.