Seiko vs Citizen: Which Watch Is Better?
Compare the Seiko Prospex Alpinist Green Dial and the Citizen Eco-Drive Brycen Sport Casual Watch, Super Titanium Case on movement, case size, water resistance, power reserve, price, and Amazon customer ratings.
Quick Answer
Based on published specifications and Amazon customer data, the Seiko Prospex Alpinist Green Dial and the Citizen Eco-Drive Brycen Sport Casual Watch, Super Titanium Case differ mainly in water resistance and value. Customer ratings are not yet cataloged for either model, while the Citizen is the lower-priced option in our catalog. We have not physically tested either watch; this comparison is limited to published data.
Quick Comparison Table
| Seiko Prospex Alpinist Green Dial | Citizen Eco-Drive Brycen Sport Casual Watch, Super Titanium Case | |
|---|---|---|
| Movement | Automatic | Eco-Drive Solar |
| Case Diameter | 39.5mm | 40mm |
| Case Material | Stainless Steel | Super Titanium |
| Water Resistance | 200m / 660ft | 100m |
| Power Reserve | 70 hours | Unlimited (light-powered) |
| List Price | See listing | See listing |
| Amazon Customer Rating | Not in catalog — see listings | Not in catalog — see listings |
The Contenders
Seiko Prospex Alpinist Green Dial
Seiko Prospex Alpinist Green Dial — a sport watch in the HardWatches catalog, listed at a price available on the listing.
Citizen Eco-Drive Brycen Sport Casual Watch, Super Titanium Case
Citizen Eco-Drive Brycen Sport Casual Watch, Super Titanium Case — a sport watch in the HardWatches catalog, listed at a price available on the listing.
Detailed Analysis
Movement
The Seiko runs on the Automatic movement, per the manufacturer's specification.
The Citizen runs on the Eco-Drive Solar movement, per the manufacturer's specification.
Build Quality
Published case material: Stainless Steel. We have not handled this watch, so our analysis of finishing is limited to the specification.
Published case material: Super Titanium. We have not handled this watch, so our analysis of finishing is limited to the specification.
Design
Design can only be judged from product imagery and buyer feedback. The Seiko is styled as a sport watch.
Design can only be judged from product imagery and buyer feedback. The Citizen is styled as a sport watch.
Comfort
We have not worn the Seiko. Comfort depends on case size (39.5mm) and personal wrist dimensions; recent Amazon buyer reviews are the best available signal.
We have not worn the Citizen. Comfort depends on case size (40mm) and personal wrist dimensions; recent Amazon buyer reviews are the best available signal.
Accuracy
We do not perform timekeeping tests. Accuracy depends on the Automatic movement and the condition of the watch.
We do not perform timekeeping tests. Accuracy depends on the Eco-Drive Solar movement and the condition of the watch.
Water Resistance
200m / 660ft — a manufacturer claim, not a tested result.
100m — a manufacturer claim, not a tested result.
Value
Listed at a price on the listing; this is the price at cataloging time and may change.
Listed at a price on the listing; this is the price at cataloging time and may change.
Best For
Buyers seeking a sport watch with 200m / 660ft at around the listed price.
Buyers seeking a sport watch with 100m at around the listed price.
Winner by Category
| Category | Winner | Why |
|---|---|---|
| Water resistance | Seiko Prospex Alpinist Green Dial | 200m vs 100m (published rating). |
| Power reserve | Not enough data | Not comparable from published data. |
| Value | Not enough data | Not comparable from published data. |
| Customer approval | Not enough data | Not comparable from published data. |
Winners are determined from published data (specifications, list prices, and Amazon customer ratings). For experience-based categories we rely on editorial judgement and say so — we do not test watches.
Final Verdict
On published data, the Seiko Prospex Alpinist Green Dial wins on Water resistance, while the Citizen Eco-Drive Brycen Sport Casual Watch, Super Titanium Case wins on its stronger published specification. The deciding factors for most buyers will be price, movement type, and which design fits their taste — none of which we can evaluate without physical testing.
Links & Sources
- Manufacturer specifications and the Amazon listing for each model.
- Amazon customer ratings as shown on each listing.
- HardWatches review methodology: how-we-review.
Affiliate disclosure: HardWatches participates in the Amazon Services LLC Associates Program. As an Amazon Associate, we earn from qualifying purchases. Full disclosure.