Hamilton Khaki Field Mechanical 38mm vs Junghans Form A Automatic

Hamilton's design language vs Junghans's approach

The Hamilton Khaki Field Mechanical 38mm features a Stainless Steel case at 38mm with Sapphire Crystal protection. The Junghans Form A Automatic offers Stainless Steel construction at 39.3mm with Flat Sapphire with Anti-Reflective Coating. Both represent their brand's distinct design philosophy and heritage.

Hand-Wound H-50 (ETA 2801-2 base) vs Automatic J800.2 (ETA 2824-2)

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 Form A Automatic uses the Automatic J800.2 (ETA 2824-2) (Swiss ETA Base, German-Finished, 38 Hours reserve) at 28,800 vph (4 Hz). The Khaki Field Mechanical 38mm edges ahead on power reserve.

38mm vs 39.3mm — different wrist presence

At 38mm, the Khaki Field Mechanical 38mm wears more compactly on smaller wrists compared to the Form A Automatic at 39.3mm. Water resistance differs: 50m (5 ATM) vs 50m (5 ATM).

Hamilton sits in the lower tier

The Hamilton Khaki Field Mechanical 38mm sits at $500–$1,000 and the Junghans Form A Automatic at $1,000–$1,500. On the specs that outlast any price: the Khaki Field Mechanical 38mm uses Sapphire Crystal with 80 Hours, against Flat Sapphire with Anti-Reflective Coating and 38 Hours on the Form A Automatic. Service intervals are typically 5-7 years for both.

50m (5 ATM) vs 50m (5 ATM)

The Khaki Field Mechanical 38mm is rated to 50m (5 ATM) while the Form A Automatic handles 50m (5 ATM). Both offer identical water resistance ratings.