Hamilton Khaki Field Mechanical 38mm vs Oris Big Crown Pointer Date

Hamilton's design language vs Oris's approach

The Hamilton Khaki Field Mechanical 38mm features a Stainless Steel case at 38mm with Sapphire Crystal protection. The Oris Big Crown Pointer Date offers Stainless Steel construction at 40mm with Sapphire (Domed, Inside AR Coating). Both represent their brand's distinct design philosophy and heritage.

Hand-Wound H-50 (ETA 2801-2 base) vs Automatic Oris 754 (Sellita 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 Big Crown Pointer Date uses the Automatic Oris 754 (Sellita Base) (Modified Sellita Automatic, 38 Hours reserve) at 28,800 vph (4 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 Big Crown Pointer Date at 40mm. 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 Oris Big Crown Pointer Date 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 (Domed, Inside AR Coating) and 38 Hours on the Big Crown Pointer Date. 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 Big Crown Pointer Date handles 50m (5 ATM). Both offer identical water resistance ratings.