Hamilton Khaki Field Mechanical 38mm vs Tissot Seastar 1000 Automatic

Hamilton's design language vs Tissot's approach

The Hamilton Khaki Field Mechanical 38mm features a Stainless Steel case at 38mm with Sapphire Crystal protection. The Tissot Seastar 1000 Automatic 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 Powermatic 80 (Caliber 80.111)

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 Seastar 1000 Automatic uses the Automatic Powermatic 80 (Caliber 80.111) (ETA/Tissot Automatic, 80 Hours reserve) at 21,600 vph (3 Hz). Power reserves are closely matched.

38mm vs 40mm — different wrist presence

At 38mm, the Khaki Field Mechanical 38mm wears more compactly on smaller wrists compared to the Seastar 1000 Automatic at 40mm. Water resistance differs: 50m (5 ATM) vs 300m (30 ATM).

Same tier — different value propositions

The Hamilton Khaki Field Mechanical 38mm sits at $500–$1,000 and the Tissot Seastar 1000 Automatic at $500–$1,000. On the specs that outlast any price: the Khaki Field Mechanical 38mm uses Sapphire Crystal with 80 Hours, against Sapphire Crystal and 80 Hours on the Seastar 1000 Automatic. Service intervals are typically 5-7 years for both.

50m (5 ATM) vs 300m (30 ATM)

The Khaki Field Mechanical 38mm is rated to 50m (5 ATM) while the Seastar 1000 Automatic handles 300m (30 ATM). The Seastar 1000 Automatic offers superior water resistance.