Hamilton Khaki Field Automatic vs Tissot Chemin des Tourelles Powermatic 80

Hamilton's design language vs Tissot's approach

The Hamilton Khaki Field Automatic 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 vs Automatic Powermatic 80 (Caliber 80.111)

The Khaki Field Automatic runs the Automatic H-10 (Automatic (ETA C07.611 base), 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 Field Automatic 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).

Same tier — different value propositions

The Hamilton Khaki Field Automatic sits at $500–$1,000 and the Tissot Chemin des Tourelles Powermatic 80 at $500–$1,000. On the specs that outlast any price: the Khaki Field Automatic 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 Field Automatic is rated to 100m (10 ATM) while the Chemin des Tourelles Powermatic 80 handles 50m (5 ATM). The Khaki Field Automatic is better suited for water activities.