Hamilton Khaki Field Mechanical 38mm vs Hamilton Khaki Aviation Pilot Auto

Hamilton's design language vs Hamilton's approach

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

Hand-Wound H-50 (ETA 2801-2 base) vs Automatic H-10 (ETA 2824-2 base)

The Khaki Field Mechanical 38mm runs the Hand-Wound H-50 (ETA 2801-2 base) (Hamilton/ETA Hand-Wound, 80 Hours power reserve) at 21,600 vph (3 Hz) frequency. The Khaki Aviation Pilot Auto uses the Automatic H-10 (ETA 2824-2 base) (Hamilton/ETA Automatic, 80 Hours reserve) at 21,600 vph (3 Hz). Power reserves are closely matched.

38mm vs 38mm — different wrist presence

At 38mm, the Khaki Field Mechanical 38mm is similarly sized compared to the Khaki Aviation Pilot Auto at 38mm. Water resistance differs: 50m (5 ATM) vs 100m (10 ATM).

Hamilton sits in the lower tier

The Hamilton Khaki Field Mechanical 38mm sits at $500–$1,000 and the Hamilton Khaki Aviation Pilot Auto at $1,000–$1,500. On the specs that outlast any price: the Khaki Field Mechanical 38mm uses Sapphire Crystal with 80 Hours, against Sapphire Crystal and 80 Hours on the Khaki Aviation Pilot Auto. Service intervals are typically 5-7 years for both.

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

The Khaki Field Mechanical 38mm is rated to 50m (5 ATM) while the Khaki Aviation Pilot Auto handles 100m (10 ATM). The Khaki Aviation Pilot Auto offers superior water resistance.