Tissot PRX Powermatic 80 vs Hamilton Khaki Field Mechanical 38mm

Tissot's design language vs Hamilton's approach

The Tissot PRX Powermatic 80 features a 316L Stainless Steel case at 40mm with Scratch-resistant Sapphire protection. The Hamilton Khaki Field Mechanical 38mm offers Stainless Steel construction at 38mm with Sapphire Crystal. Both represent their brand's distinct design philosophy and heritage.

Automatic Powermatic 80.111 vs Hand-Wound H-50 (ETA 2801-2 base)

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 Khaki Field Mechanical 38mm uses the Hand-Wound H-50 (ETA 2801-2 base) (Hamilton/ETA Hand-Wound, 80 Hours reserve) at 21,600 vph (3 Hz). Power reserves are closely matched.

40mm vs 38mm — different wrist presence

At 40mm, the PRX Powermatic 80 has a bolder wrist presence compared to the Khaki Field Mechanical 38mm at 38mm. Water resistance differs: 100m (10 ATM) vs 50m (5 ATM).

Same tier — different value propositions

The Tissot PRX Powermatic 80 sits at $500–$1,000 and the Hamilton Khaki Field Mechanical 38mm 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 Khaki Field Mechanical 38mm. Service intervals are typically 5-7 years for both.

100m (10 ATM) vs 50m (5 ATM)

The PRX Powermatic 80 is rated to 100m (10 ATM) while the Khaki Field Mechanical 38mm handles 50m (5 ATM). The PRX Powermatic 80 is better suited for water activities.