Citizen Tsuyosa Automatic (Green Dial) vs Hamilton Khaki Aviation Pilot Auto
Citizen's timepiece meets Hamilton's pilot watch
Quick Verdict
The Citizen Tsuyosa Automatic (Green Dial) ($250–$500) offers Citizen/Miyota In-House Automatic precision in the tier below the Hamilton Khaki Aviation Pilot Auto ($1,000–$1,500). The Tsuyosa Automatic (Green Dial) measures 40mm and is rated 50m (5 ATM). The Khaki Aviation Pilot Auto counters with Swiss Made craftsmanship and 100m (10 ATM) water resistance. Both are exceptional watches for their respective tiers.
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Specifications Compared
| Feature | Citizen Tsuyosa Automatic (Green Dial) | Hamilton Khaki Aviation Pilot Auto |
|---|---|---|
| Price | $250–$500 | $1,000–$1,500 |
| Case Size | 40mm | 38mm |
| Movement | Automatic Caliber 8210 | Automatic H-10 (ETA 2824-2 base) |
| Caliber Type | Citizen/Miyota In-House Automatic | Hamilton/ETA Automatic |
| Power Reserve | 40 Hours | 80 Hours |
| Water Resistance | 50m (5 ATM) | 100m (10 ATM) |
| Crystal | Sapphire Crystal with Cyclops | Sapphire Crystal |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Made in Japan | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Citizen's design language vs Hamilton's approach
The Citizen Tsuyosa Automatic (Green Dial) features a Stainless Steel case at 40mm with Sapphire Crystal with Cyclops protection. The Hamilton Khaki Aviation Pilot Auto offers Stainless Steel construction at 38mm with Sapphire Crystal. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic Caliber 8210 vs Automatic H-10 (ETA 2824-2 base)
The Tsuyosa Automatic (Green Dial) runs the Automatic Caliber 8210 (Citizen/Miyota In-House Automatic, 40 Hours power reserve) at 21,600 vph (3 Hz) frequency. The Khaki Aviation Pilot Auto uses the Automatic H-10 (ETA 2824-2 base) (Hamilton/ETA Automatic, 80 Hours reserve) at 21,600 vph (3 Hz). The Khaki Aviation Pilot Auto offers a longer power reserve.
Wearability & Fit
40mm vs 38mm — different wrist presence
At 40mm, the Tsuyosa Automatic (Green Dial) has a bolder wrist presence compared to the Khaki Aviation Pilot Auto at 38mm. Water resistance differs: 50m (5 ATM) vs 100m (10 ATM).
Value & Cost of Ownership
Citizen sits in the lower tier
The Citizen Tsuyosa Automatic (Green Dial) sits at $250–$500 and the Hamilton Khaki Aviation Pilot Auto at $1,000–$1,500. On the specs that outlast any price: the Tsuyosa Automatic (Green Dial) uses Sapphire Crystal with Cyclops with 40 Hours, against Sapphire Crystal and 80 Hours on the Khaki Aviation Pilot Auto. Service intervals are typically 5-7 years for both.
Water Resistance
50m (5 ATM) vs 100m (10 ATM)
The Tsuyosa Automatic (Green Dial) is rated to 50m (5 ATM) while the Khaki Aviation Pilot Auto handles 100m (10 ATM). The Khaki Aviation Pilot Auto offers superior water resistance.
Our Verdict
Citizen
Tsuyosa Automatic (Green Dial)
Choose the Citizen Tsuyosa Automatic (Green Dial) if you prioritize Citizen/Miyota In-House Automatic engineering, Made in Japan craftsmanship, and 50m (5 ATM) water resistance. At $250–$500, it delivers Automatic Caliber 8210 with 40 Hours power reserve.
Check Price on AmazonHamilton
Khaki Aviation Pilot Auto
Choose the Hamilton Khaki Aviation Pilot Auto if you value Hamilton/ETA Automatic technology, Swiss Made heritage, and 38mm proportions. At $1,000–$1,500, the Automatic H-10 (ETA 2824-2 base) with 80 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Citizen Tsuyosa Automatic (Green Dial) and Hamilton Khaki Aviation Pilot Auto represent two distinct approaches to fine watchmaking — the Citizen bringing Made in Japan tradition while Hamilton 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.