Hamilton Khaki Field Mechanical 38mm vs Patek Philippe Calatrava 6119R

Hamilton's design language vs Patek Philippe's approach

The Hamilton Khaki Field Mechanical 38mm features a Stainless Steel case at 38mm with Sapphire Crystal protection. The Patek Philippe Calatrava 6119R offers 18k Rose Gold construction at 39mm with Sapphire Crystal. Both represent their brand's distinct design philosophy and heritage.

Hand-Wound H-50 (ETA 2801-2 base) vs Manual-Wind Caliber 30-255 PS

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 Calatrava 6119R uses the Manual-Wind Caliber 30-255 PS (Patek Philippe In-House Manual-Wind, 65 Hours reserve) at 28,800 vph (4 Hz). The Khaki Field Mechanical 38mm edges ahead on power reserve.

38mm vs 39mm — different wrist presence

At 38mm, the Khaki Field Mechanical 38mm wears more compactly on smaller wrists compared to the Calatrava 6119R at 39mm. Water resistance differs: 50m (5 ATM) vs 30m (3 ATM).

Hamilton sits in the lower tier

The Hamilton Khaki Field Mechanical 38mm sits at $500–$1,000 and the Patek Philippe Calatrava 6119R at $25,000+. On the specs that outlast any price: the Khaki Field Mechanical 38mm uses Sapphire Crystal with 80 Hours, against Sapphire Crystal and 65 Hours on the Calatrava 6119R. Service intervals are typically 5-7 years for both.

50m (5 ATM) vs 30m (3 ATM)

The Khaki Field Mechanical 38mm is rated to 50m (5 ATM) while the Calatrava 6119R handles 30m (3 ATM). The Khaki Field Mechanical 38mm is better suited for water activities.