Hamilton Khaki Aviation Pilot Auto vs Tissot Chemin des Tourelles Powermatic 80

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 Chemin des Tourelles Powermatic 80 offers Stainless Steel construction at 42.0mm 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 Chemin des Tourelles Powermatic 80 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 42.0mm — different wrist presence

At 38mm, the Khaki Aviation Pilot Auto wears more compactly on smaller wrists compared to the Chemin des Tourelles Powermatic 80 at 42.0mm. Water resistance differs: 100m (10 ATM) vs 50m (5 ATM).

Tissot sits in the lower tier

The Hamilton Khaki Aviation Pilot Auto sits at $1,000–$1,500 and the Tissot Chemin des Tourelles Powermatic 80 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 Chemin des Tourelles Powermatic 80. Service intervals are typically 5-7 years for both.

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

The Khaki Aviation Pilot Auto is rated to 100m (10 ATM) while the Chemin des Tourelles Powermatic 80 handles 50m (5 ATM). The Khaki Aviation Pilot Auto is better suited for water activities.