Citizen Promaster Skyhawk A-T vs Citizen Tsuyosa Automatic (Green Dial)
Citizen's chronograph meets Citizen's timepiece
Quick Verdict
The Citizen Tsuyosa Automatic (Green Dial) ($250–$500) delivers Citizen/Miyota In-House Automatic technology in the tier below the Citizen Promaster Skyhawk A-T ($500–$1,000). The Tsuyosa Automatic (Green Dial) measures 40mm and is rated 50m (5 ATM). The Promaster Skyhawk A-T justifies its premium with Made in Japan heritage and Eco-Drive (Radio-Controlled, Atomic Timekeeping). Both represent excellent choices in the luxury watch category.
Transparency — We earn a small commission on purchases made through our Amazon links. This doesn't affect our editorial independence.
Specifications Compared
| Feature | Citizen Promaster Skyhawk A-T | Citizen Tsuyosa Automatic (Green Dial) |
|---|---|---|
| Price | $500–$1,000 | $250–$500 |
| Case Size | 45mm | 40mm |
| Movement | Eco-Drive (Radio-Controlled, Atomic Timekeeping) | Automatic Caliber 8210 |
| Caliber Type | Citizen Eco-Drive U680 (Solar + Radio-Controlled) | Citizen/Miyota In-House Automatic |
| Power Reserve | — | 40 Hours |
| Water Resistance | 200m (20 ATM) | 50m (5 ATM) |
| Crystal | Sapphire Crystal | Sapphire Crystal with Cyclops |
| Case Material | Stainless Steel (Black Ion-Plated) | Stainless Steel |
| Origin | Made in Japan | Made in Japan |
Category-by-Category Analysis
Design & Aesthetics
Citizen's design language vs Citizen's approach
The Citizen Promaster Skyhawk A-T features a Stainless Steel (Black Ion-Plated) case at 45mm with Sapphire Crystal protection. The Citizen Tsuyosa Automatic (Green Dial) offers Stainless Steel construction at 40mm with Sapphire Crystal with Cyclops. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Eco-Drive (Radio-Controlled, Atomic Timekeeping) vs Automatic Caliber 8210
The Promaster Skyhawk A-T runs the Eco-Drive (Radio-Controlled, Atomic Timekeeping) (Citizen Eco-Drive U680 (Solar + Radio-Controlled), standard power reserve) at standard frequency. The Tsuyosa Automatic (Green Dial) uses the Automatic Caliber 8210 (Citizen/Miyota In-House Automatic, 40 Hours reserve) at 21,600 vph (3 Hz). The Tsuyosa Automatic (Green Dial) offers a longer power reserve.
Wearability & Fit
45mm vs 40mm — different wrist presence
At 45mm, the Promaster Skyhawk A-T has a bolder wrist presence compared to the Tsuyosa Automatic (Green Dial) at 40mm. Water resistance differs: 200m (20 ATM) vs 50m (5 ATM).
Value & Cost of Ownership
Citizen sits in the lower tier
The Citizen Promaster Skyhawk A-T sits at $500–$1,000 and the Citizen Tsuyosa Automatic (Green Dial) at $250–$500. On the specs that outlast any price: the Promaster Skyhawk A-T uses Sapphire Crystal with a standard reserve, against Sapphire Crystal with Cyclops and 40 Hours on the Tsuyosa Automatic (Green Dial). Service intervals are typically 5-7 years for both.
Water Resistance
200m (20 ATM) vs 50m (5 ATM)
The Promaster Skyhawk A-T is rated to 200m (20 ATM) while the Tsuyosa Automatic (Green Dial) handles 50m (5 ATM). The Promaster Skyhawk A-T is better suited for water activities.
Our Verdict
Citizen
Promaster Skyhawk A-T
Choose the Citizen Promaster Skyhawk A-T if you prioritize Citizen Eco-Drive U680 (Solar + Radio-Controlled) engineering, Made in Japan craftsmanship, and 200m (20 ATM) water resistance. At $500–$1,000, it delivers Eco-Drive (Radio-Controlled, Atomic Timekeeping) with solid power reserve.
Check Price on AmazonCitizen
Tsuyosa Automatic (Green Dial)
Choose the Citizen Tsuyosa Automatic (Green Dial) if you value Citizen/Miyota In-House Automatic technology, Made in Japan heritage, and 40mm proportions. At $250–$500, the Automatic Caliber 8210 with 40 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Citizen Promaster Skyhawk A-T and Citizen Tsuyosa Automatic (Green Dial) represent two distinct approaches to fine watchmaking — the Citizen bringing Made in Japan tradition while Citizen delivers Made in Japan engineering.
Frequently Asked Questions
More Comparisons
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.