Hamilton Khaki Field Mechanical 38mm vs Orient Mako 40 Green

Hamilton's design language vs Orient's approach

The Hamilton Khaki Field Mechanical 38mm features a Stainless Steel case at 38mm with Sapphire Crystal protection. The Orient Mako 40 Green offers Stainless Steel construction at 40mm with Sapphire Crystal. Both represent their brand's distinct design philosophy and heritage.

Hand-Wound H-50 (ETA 2801-2 base) vs Automatic Caliber F6722

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 Mako 40 Green uses the Automatic Caliber F6722 (Orient In-House Automatic (Hacking, Hand-Winding), 40 Hours reserve) at 21,600 vph (3 Hz). The Khaki Field Mechanical 38mm edges ahead on power reserve.

38mm vs 40mm — different wrist presence

At 38mm, the Khaki Field Mechanical 38mm wears more compactly on smaller wrists compared to the Mako 40 Green at 40mm. Water resistance differs: 50m (5 ATM) vs 200m (20 ATM).

Orient sits in the lower tier

The Hamilton Khaki Field Mechanical 38mm sits at $500–$1,000 and the Orient Mako 40 Green at $250–$500. On the specs that outlast any price: the Khaki Field Mechanical 38mm uses Sapphire Crystal with 80 Hours, against Sapphire Crystal and 40 Hours on the Mako 40 Green. Service intervals are typically 5-7 years for both.

50m (5 ATM) vs 200m (20 ATM)

The Khaki Field Mechanical 38mm is rated to 50m (5 ATM) while the Mako 40 Green handles 200m (20 ATM). The Mako 40 Green offers superior water resistance.