Hamilton Khaki Field Automatic vs Tissot Seastar 1000 Automatic
Hamilton's field watch meets Tissot's diver
Quick Verdict
The Hamilton Khaki Field Automatic ($500–$1,000) and Tissot Seastar 1000 Automatic ($500–$1,000) are closely matched timepieces at similar price points. The Khaki Field Automatic emphasizes Automatic (ETA C07.611 base) engineering while the Seastar 1000 Automatic focuses on Swiss Made craftsmanship.
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Specifications Compared
| Feature | Hamilton Khaki Field Automatic | Tissot Seastar 1000 Automatic |
|---|---|---|
| Price | $500–$1,000 | $500–$1,000 |
| Case Size | 38mm | 40mm |
| Movement | Automatic H-10 | Automatic Powermatic 80 (Caliber 80.111) |
| Caliber Type | Automatic (ETA C07.611 base) | ETA/Tissot Automatic |
| Power Reserve | 80 Hours | 80 Hours |
| Water Resistance | 100m (10 ATM) | 300m (30 ATM) |
| Crystal | Sapphire Crystal | Sapphire Crystal |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Swiss Made | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Hamilton's design language vs Tissot's approach
The Hamilton Khaki Field Automatic 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.
Movement & Performance
Automatic H-10 vs Automatic Powermatic 80 (Caliber 80.111)
The Khaki Field Automatic runs the Automatic H-10 (Automatic (ETA C07.611 base), 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.
Wearability & Fit
38mm vs 40mm — different wrist presence
At 38mm, the Khaki Field Automatic wears more compactly on smaller wrists compared to the Seastar 1000 Automatic at 40mm. Water resistance differs: 100m (10 ATM) vs 300m (30 ATM).
Value & Cost of Ownership
Same tier — different value propositions
The Hamilton Khaki Field Automatic 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 Automatic 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.
Water Resistance
100m (10 ATM) vs 300m (30 ATM)
The Khaki Field Automatic is rated to 100m (10 ATM) while the Seastar 1000 Automatic handles 300m (30 ATM). The Seastar 1000 Automatic offers superior water resistance.
Our Verdict
Hamilton
Khaki Field Automatic
Choose the Hamilton Khaki Field Automatic if you prioritize Automatic (ETA C07.611 base) engineering, Swiss Made craftsmanship, and 100m (10 ATM) water resistance. At $500–$1,000, it delivers Automatic H-10 with 80 Hours power reserve.
Check Price on AmazonTissot
Seastar 1000 Automatic
Choose the Tissot Seastar 1000 Automatic if you value ETA/Tissot Automatic technology, Swiss Made heritage, and 40mm proportions. At $500–$1,000, the Automatic Powermatic 80 (Caliber 80.111) with 80 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Hamilton Khaki Field Automatic and Tissot Seastar 1000 Automatic represent two distinct approaches to fine watchmaking — the Hamilton bringing Swiss Made tradition while Tissot delivers Swiss Made engineering.
Frequently Asked Questions
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How This Page Was Made
Our comparisons are generated from a hand-maintained specification database and reviewed under our editorial standards. We use AI tools to assemble pages from that data. We don’t invent specs: every number traces back to the database, and when we correct an entry, the fix is applied site-wide. As an Amazon Associate, The Horologist earns from qualifying purchases.