Hamilton Khaki Aviation Pilot Auto vs Seiko Prospex 62MAS Modern Re-interpretation
Hamilton's pilot watch meets Seiko's diver
Quick Verdict
The Hamilton Khaki Aviation Pilot Auto ($1,000–$1,500) and Seiko Prospex 62MAS Modern Re-interpretation ($1,000–$1,500) are closely matched timepieces at similar price points. The Khaki Aviation Pilot Auto emphasizes Hamilton/ETA Automatic engineering while the Prospex 62MAS Modern Re-interpretation focuses on Made in Japan craftsmanship.
Transparency — We earn a small commission on purchases made through our Amazon links. This doesn't affect our editorial independence.
Specifications Compared
| Feature | Hamilton Khaki Aviation Pilot Auto | Seiko Prospex 62MAS Modern Re-interpretation |
|---|---|---|
| Price | $1,000–$1,500 | $1,000–$1,500 |
| Case Size | 38mm | 40.5mm |
| Movement | Automatic H-10 (ETA 2824-2 base) | Automatic 6R35 |
| Caliber Type | Hamilton/ETA Automatic | Seiko In-House Automatic |
| Power Reserve | 80 Hours | 70 Hours |
| Water Resistance | 100m (10 ATM) | 200m (20 ATM) |
| Crystal | Sapphire Crystal | Sapphire |
| Case Material | Stainless Steel | Stainless Steel with Super-Hard Coating |
| Origin | Swiss Made | Made in Japan |
Category-by-Category Analysis
Design & Aesthetics
Hamilton's design language vs Seiko's approach
The Hamilton Khaki Aviation Pilot Auto features a Stainless Steel case at 38mm with Sapphire Crystal protection. The Seiko Prospex 62MAS Modern Re-interpretation offers Stainless Steel with Super-Hard Coating construction at 40.5mm with Sapphire. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic H-10 (ETA 2824-2 base) vs Automatic 6R35
The Khaki Aviation Pilot Auto runs the Automatic H-10 (ETA 2824-2 base) (Hamilton/ETA Automatic, 80 Hours power reserve) at 21,600 vph (3 Hz) frequency. The Prospex 62MAS Modern Re-interpretation uses the Automatic 6R35 (Seiko In-House Automatic, 70 Hours reserve) at 21,600 vph (3 Hz). The Khaki Aviation Pilot Auto edges ahead on power reserve.
Wearability & Fit
38mm vs 40.5mm — different wrist presence
At 38mm, the Khaki Aviation Pilot Auto wears more compactly on smaller wrists compared to the Prospex 62MAS Modern Re-interpretation at 40.5mm. Water resistance differs: 100m (10 ATM) vs 200m (20 ATM).
Value & Cost of Ownership
Same tier — different value propositions
The Hamilton Khaki Aviation Pilot Auto sits at $1,000–$1,500 and the Seiko Prospex 62MAS Modern Re-interpretation at $1,000–$1,500. On the specs that outlast any price: the Khaki Aviation Pilot Auto uses Sapphire Crystal with 80 Hours, against Sapphire and 70 Hours on the Prospex 62MAS Modern Re-interpretation. Service intervals are typically 5-7 years for both.
Water Resistance
100m (10 ATM) vs 200m (20 ATM)
The Khaki Aviation Pilot Auto is rated to 100m (10 ATM) while the Prospex 62MAS Modern Re-interpretation handles 200m (20 ATM). The Prospex 62MAS Modern Re-interpretation offers superior water resistance.
Our Verdict
Hamilton
Khaki Aviation Pilot Auto
Choose the Hamilton Khaki Aviation Pilot Auto if you prioritize Hamilton/ETA Automatic engineering, Swiss Made craftsmanship, and 100m (10 ATM) water resistance. At $1,000–$1,500, it delivers Automatic H-10 (ETA 2824-2 base) with 80 Hours power reserve.
Check Price on AmazonSeiko
Prospex 62MAS Modern Re-interpretation
Choose the Seiko Prospex 62MAS Modern Re-interpretation if you value Seiko In-House Automatic technology, Made in Japan heritage, and 40.5mm proportions. At $1,000–$1,500, the Automatic 6R35 with 70 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Hamilton Khaki Aviation Pilot Auto and Seiko Prospex 62MAS Modern Re-interpretation represent two distinct approaches to fine watchmaking — the Hamilton bringing Swiss Made tradition while Seiko delivers Made in Japan engineering.
Frequently Asked Questions
More Comparisons
Oris Aquis vs Seiko SPB143 (62MAS)
Swiss independence meets Japanese precision diving
Tag Heuer Carrera Chronograph vs Hamilton Khaki Aviation Pilot Auto
Tag Heuer's chronograph meets Hamilton's pilot watch
Tag Heuer Carrera Chronograph vs Seiko Prospex 62MAS Modern Re-interpretation
Tag Heuer's chronograph meets Seiko's diver
Explore These Watches
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.