Citizen Promaster Sky CB0248 vs Citizen Tsuyosa Automatic (Green Dial)
Citizen's pilot watch meets Citizen's timepiece
Quick Verdict
The Citizen Promaster Sky CB0248 ($250–$500) and Citizen Tsuyosa Automatic (Green Dial) ($250–$500) are closely matched timepieces at similar price points. The Promaster Sky CB0248 emphasizes Citizen Eco-Drive engineering while the Tsuyosa Automatic (Green Dial) focuses on Made in Japan craftsmanship.
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Specifications Compared
| Feature | Citizen Promaster Sky CB0248 | Citizen Tsuyosa Automatic (Green Dial) |
|---|---|---|
| Price | $250–$500 | $250–$500 |
| Case Size | 42.4mm | 40mm |
| Movement | Eco-Drive Radio-Controlled | Automatic Caliber 8210 |
| Caliber Type | Citizen Eco-Drive | Citizen/Miyota In-House Automatic |
| Power Reserve | — | 40 Hours |
| Water Resistance | — | 50m (5 ATM) |
| Crystal | — | Sapphire Crystal with Cyclops |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Citizen (Japan) | Made in Japan |
Category-by-Category Analysis
Design & Aesthetics
Citizen's design language vs Citizen's approach
The Citizen Promaster Sky CB0248 features a Stainless Steel case at 42.4mm with 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 vs Automatic Caliber 8210
The Promaster Sky CB0248 runs the Eco-Drive Radio-Controlled (Citizen Eco-Drive, 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
42.4mm vs 40mm — different wrist presence
At 42.4mm, the Promaster Sky CB0248 has a bolder wrist presence compared to the Tsuyosa Automatic (Green Dial) at 40mm. Water resistance differs: 50m vs 50m (5 ATM).
Value & Cost of Ownership
Same tier — different value propositions
The Citizen Promaster Sky CB0248 sits at $250–$500 and the Citizen Tsuyosa Automatic (Green Dial) at $250–$500. On the specs that outlast any price: the Promaster Sky CB0248 uses a hardened 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
50m vs 50m (5 ATM)
The Promaster Sky CB0248 is rated to 50m while the Tsuyosa Automatic (Green Dial) handles 50m (5 ATM). The Tsuyosa Automatic (Green Dial) offers superior water resistance.
Our Verdict
Citizen
Promaster Sky CB0248
Choose the Citizen Promaster Sky CB0248 if you prioritize Citizen Eco-Drive engineering, Citizen (Japan) craftsmanship, and reliable water resistance. At $250–$500, it delivers Eco-Drive Radio-Controlled 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 Sky CB0248 and Citizen Tsuyosa Automatic (Green Dial) represent two distinct approaches to fine watchmaking — the Citizen bringing Citizen (Japan) tradition while Citizen delivers Made in Japan 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.