Hamilton Khaki Aviation Pilot Auto vs Tissot PRX Powermatic 80 35mm

Hamilton's design language vs Tissot's approach

The Hamilton Khaki Aviation Pilot Auto features a Stainless Steel case at 38mm with Sapphire Crystal protection. The Tissot PRX Powermatic 80 35mm offers Stainless Steel construction at 35mm with Sapphire Crystal. Both represent their brand's distinct design philosophy and heritage.

Automatic H-10 (ETA 2824-2 base) vs Automatic Powermatic 80 (Caliber 80.111)

The Khaki Aviation Pilot Auto runs the Automatic H-10 (ETA 2824-2 base) (Hamilton/ETA Automatic, 80 Hours power reserve) at 21,600 vph (3 Hz) frequency. The PRX Powermatic 80 35mm 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.

38mm vs 35mm — different wrist presence

At 38mm, the Khaki Aviation Pilot Auto has a bolder wrist presence compared to the PRX Powermatic 80 35mm at 35mm. Water resistance differs: 100m (10 ATM) vs 100m (10 ATM).

Tissot sits in the lower tier

The Hamilton Khaki Aviation Pilot Auto sits at $1,000–$1,500 and the Tissot PRX Powermatic 80 35mm at $500–$1,000. On the specs that outlast any price: the Khaki Aviation Pilot Auto uses Sapphire Crystal with 80 Hours, against Sapphire Crystal and 80 Hours on the PRX Powermatic 80 35mm. Service intervals are typically 5-7 years for both.

100m (10 ATM) vs 100m (10 ATM)

The Khaki Aviation Pilot Auto is rated to 100m (10 ATM) while the PRX Powermatic 80 35mm handles 100m (10 ATM). Both offer identical water resistance ratings.