Citizen Tsuyosa Automatic (Green Dial) vs Seiko 5 Sports GMT SSK001
Citizen's timepiece meets Seiko's GMT watch
Quick Verdict
The Citizen Tsuyosa Automatic (Green Dial) (~$332) offers Citizen/Miyota In-House Automatic precision at $163 less than the Seiko 5 Sports GMT SSK001 (~$495). The 5 Sports GMT SSK001 counters with Made in Japan craftsmanship and 100m (10 ATM) water resistance. Both are exceptional watches for their respective price points.
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) | Seiko 5 Sports GMT SSK001 |
|---|---|---|
| Price | ~$332 | ~$495 |
| Case Size | 40mm | 42.5mm |
| Movement | Automatic Caliber 8210 | Automatic Caliber 4R34 (True GMT) |
| Caliber Type | Citizen/Miyota In-House Automatic | Seiko In-House Automatic GMT |
| Power Reserve | 40 Hours | 41 Hours |
| Water Resistance | 50m (5 ATM) | 100m (10 ATM) |
| Crystal | Sapphire Crystal with Cyclops | Hardlex 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 4R34 (True GMT)
Wearability & Fit
40mm vs 42.5mm — different wrist presence
Value & Cost of Ownership
Citizen is $163 more affordable
Water Resistance
50m (5 ATM) vs 100m (10 ATM)
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
5 Sports GMT SSK001
Choose the Seiko 5 Sports GMT SSK001 if you value Seiko In-House Automatic GMT technology, Made in Japan heritage, and 42.5mm proportions. At ~$495, the Automatic Caliber 4R34 (True GMT) with 41 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Citizen Tsuyosa Automatic (Green Dial) and Seiko 5 Sports GMT SSK001 represent two distinct approaches to fine watchmaking — the Citizen bringing Made in Japan tradition while Seiko delivers Made in Japan engineering.
Frequently Asked Questions
More Comparisons
Tag Heuer Carrera Chronograph vs Citizen Tsuyosa Automatic (Green Dial)
Tag Heuer's chronograph meets Citizen's timepiece
Tag Heuer Carrera Chronograph vs Seiko 5 Sports GMT SSK001
Tag Heuer's chronograph meets Seiko's GMT watch
Tissot PRX Powermatic 80 vs Citizen Tsuyosa Automatic (Green Dial)
Two timepieces compared — ~$850 vs ~$332

