Hamilton Khaki Field Mechanical 38mm vs Rado True Square Automatic

Hamilton's design language vs Rado's approach

The Hamilton Khaki Field Mechanical 38mm features a Stainless Steel case at 38mm with Sapphire Crystal protection. The Rado True Square Automatic offers Monobloc High-Tech Ceramic construction at 38mm (Square) with Sapphire (Anti-Reflective). Both represent their brand's distinct design philosophy and heritage.

Hand-Wound H-50 (ETA 2801-2 base) vs Automatic ETA C07.611

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 True Square Automatic uses the Automatic ETA C07.611 (Powermatic 80 (ETA-Based), 80 Hours reserve) at 21,600 vph (3 Hz). Power reserves are closely matched.

38mm vs 38mm (Square) — different wrist presence

At 38mm, the Khaki Field Mechanical 38mm is similarly sized compared to the True Square Automatic at 38mm (Square). 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 Rado True Square Automatic at $1,500–$2,500. On the specs that outlast any price: the Khaki Field Mechanical 38mm uses Sapphire Crystal with 80 Hours, against Sapphire (Anti-Reflective) and 80 Hours on the True Square 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 True Square Automatic handles 50m (5 ATM). Both offer identical water resistance ratings.