Citizen Tsuyosa Automatic (Green Dial) vs Seiko Prospex "Turtle"
Citizen's timepiece meets Seiko's diver
Quick Verdict
The Citizen Tsuyosa Automatic (Green Dial) (~$332) offers Citizen/Miyota In-House Automatic precision at $168 less than the Seiko Prospex "Turtle" (~$500). The Prospex "Turtle" counters with Made in Japan craftsmanship and 200m (20 ATM) Diver water resistance. Both are exceptional watches for their respective price points.
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Specifications Compared
| Feature | Citizen Tsuyosa Automatic (Green Dial) | Seiko Prospex "Turtle" |
|---|---|---|
| Price | ~$332 | ~$500 |
| Case Size | 40mm | 45mm |
| Movement | Automatic Caliber 8210 | Automatic Caliber 4R36 |
| Caliber Type | Citizen/Miyota In-House Automatic | In-House Automatic Manufacture |
| Power Reserve | 40 Hours | 41 Hours |
| Water Resistance | 50m (5 ATM) | 200m (20 ATM) Diver |
| Crystal | Sapphire Crystal with Cyclops | Sapphire Crystal |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Made in Japan | Made in Japan |
Category-by-Category Analysis
Design & Aesthetics
Citizen's design language vs Seiko's approach
Movement & Performance
Automatic Caliber 8210 vs Automatic Caliber 4R36
Wearability & Fit
40mm vs 45mm — different wrist presence
Value & Cost of Ownership
Citizen is $168 more affordable
Water Resistance
50m (5 ATM) vs 200m (20 ATM) Diver
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 ~$332, it delivers Automatic Caliber 8210 with 40 Hours power reserve.
Check Price on AmazonSeiko
Prospex "Turtle"
Choose the Seiko Prospex "Turtle" if you value In-House Automatic Manufacture technology, Made in Japan heritage, and 45mm proportions. At ~$500, the Automatic Caliber 4R36 with 41 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Citizen Tsuyosa Automatic (Green Dial) and Seiko Prospex "Turtle" represent two distinct approaches to fine watchmaking — the Citizen bringing Made in Japan tradition while Seiko delivers Made in Japan engineering.
Frequently Asked Questions
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