Citizen Tsuyosa Automatic (Green Dial) vs Junghans Form A Automatic
Citizen's timepiece meets Junghans's dress watch
Quick Verdict
The Citizen Tsuyosa Automatic (Green Dial) ($250–$500) offers Citizen/Miyota In-House Automatic precision in the tier below the Junghans Form A Automatic ($1,000–$1,500). The Tsuyosa Automatic (Green Dial) measures 40mm and is rated 50m (5 ATM). The Form A Automatic counters with Made in Germany craftsmanship and 50m (5 ATM) water resistance. Both are exceptional watches for their respective tiers.
Transparency — We earn a small commission on purchases made through our Amazon links. This doesn't affect our editorial independence.
Specifications Compared
| Feature | Citizen Tsuyosa Automatic (Green Dial) | Junghans Form A Automatic |
|---|---|---|
| Price | $250–$500 | $1,000–$1,500 |
| Case Size | 40mm | 39.3mm |
| Movement | Automatic Caliber 8210 | Automatic J800.2 (ETA 2824-2) |
| Caliber Type | Citizen/Miyota In-House Automatic | Swiss ETA Base, German-Finished |
| Power Reserve | 40 Hours | 38 Hours |
| Water Resistance | 50m (5 ATM) | 50m (5 ATM) |
| Crystal | Sapphire Crystal with Cyclops | Flat Sapphire with Anti-Reflective Coating |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Made in Japan | Made in Germany |
Category-by-Category Analysis
Design & Aesthetics
Citizen's design language vs Junghans's approach
The Citizen Tsuyosa Automatic (Green Dial) features a Stainless Steel case at 40mm with Sapphire Crystal with Cyclops protection. The Junghans Form A Automatic offers Stainless Steel construction at 39.3mm with Flat Sapphire with Anti-Reflective Coating. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic Caliber 8210 vs Automatic J800.2 (ETA 2824-2)
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 Form A Automatic uses the Automatic J800.2 (ETA 2824-2) (Swiss ETA Base, German-Finished, 38 Hours reserve) at 28,800 vph (4 Hz). The Tsuyosa Automatic (Green Dial) edges ahead on power reserve.
Wearability & Fit
40mm vs 39.3mm — different wrist presence
At 40mm, the Tsuyosa Automatic (Green Dial) has a bolder wrist presence compared to the Form A Automatic at 39.3mm. Water resistance differs: 50m (5 ATM) vs 50m (5 ATM).
Value & Cost of Ownership
Citizen sits in the lower tier
The Citizen Tsuyosa Automatic (Green Dial) sits at $250–$500 and the Junghans Form A Automatic 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 Flat Sapphire with Anti-Reflective Coating and 38 Hours on the Form A Automatic. Service intervals are typically 5-7 years for both.
Water Resistance
50m (5 ATM) vs 50m (5 ATM)
The Tsuyosa Automatic (Green Dial) is rated to 50m (5 ATM) while the Form A Automatic handles 50m (5 ATM). Both offer identical water resistance ratings.
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 AmazonJunghans
Form A Automatic
Choose the Junghans Form A Automatic if you value Swiss ETA Base, German-Finished technology, Made in Germany heritage, and 39.3mm proportions. At $1,000–$1,500, the Automatic J800.2 (ETA 2824-2) with 38 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Citizen Tsuyosa Automatic (Green Dial) and Junghans Form A Automatic represent two distinct approaches to fine watchmaking — the Citizen bringing Made in Japan tradition while Junghans delivers Made in Germany 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.