Hamilton Khaki Field Automatic vs Tissot PRX Powermatic 80 35mm
Hamilton's field watch meets Tissot's timepiece
Quick Verdict
The Hamilton Khaki Field Automatic ($500–$1,000) and Tissot PRX Powermatic 80 35mm ($500–$1,000) are closely matched timepieces at similar price points. The Khaki Field Automatic emphasizes Automatic (ETA C07.611 base) engineering while the PRX Powermatic 80 35mm focuses on Swiss Made craftsmanship.
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Specifications Compared
| Feature | Hamilton Khaki Field Automatic | Tissot PRX Powermatic 80 35mm |
|---|---|---|
| Price | $500–$1,000 | $500–$1,000 |
| Case Size | 38mm | 35mm |
| 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) | 100m (10 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 PRX Powermatic 80 35mm offers Stainless Steel construction at 35mm 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 PRX Powermatic 80 35mm 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 35mm — different wrist presence
At 38mm, the Khaki Field Automatic has a bolder wrist presence compared to the PRX Powermatic 80 35mm at 35mm. Water resistance differs: 100m (10 ATM) vs 100m (10 ATM).
Value & Cost of Ownership
Same tier — different value propositions
The Hamilton Khaki Field Automatic sits at $500–$1,000 and the Tissot PRX Powermatic 80 35mm 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 PRX Powermatic 80 35mm. Service intervals are typically 5-7 years for both.
Water Resistance
100m (10 ATM) vs 100m (10 ATM)
The Khaki Field Automatic is rated to 100m (10 ATM) while the PRX Powermatic 80 35mm handles 100m (10 ATM). Both offer identical water resistance ratings.
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
PRX Powermatic 80 35mm
Choose the Tissot PRX Powermatic 80 35mm if you value ETA/Tissot Automatic technology, Swiss Made heritage, and 35mm 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 PRX Powermatic 80 35mm 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.