Citizen Eco-Drive Weekender Garrison vs Seiko Prospex Sea Solar SNE597
Citizen's field watch meets Seiko's diver
Quick Verdict
The Citizen Eco-Drive Weekender Garrison ($100–$150) offers Eco-Drive Solar Quartz (No Battery Change) precision in the tier below the Seiko Prospex Sea Solar SNE597 ($500–$1,000). The Eco-Drive Weekender Garrison measures 37mm and is rated 100m (10 ATM). The Prospex Sea Solar SNE597 counters with Seiko (Japan) craftsmanship and 200m Diver water resistance. Both are exceptional watches for their respective tiers.
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Specifications Compared
| Feature | Citizen Eco-Drive Weekender Garrison | Seiko Prospex Sea Solar SNE597 |
|---|---|---|
| Price | $100–$150 | $500–$1,000 |
| Case Size | 37mm | 41.0mm (48.8mm lug-to-lug, 11.3mm thick) |
| Movement | Eco-Drive Caliber E101 | Solar Quartz |
| Caliber Type | Eco-Drive Solar Quartz (No Battery Change) | Seiko Solar Quartz |
| Power Reserve | 6 Months (Solar, Full Charge) | — |
| Water Resistance | 100m (10 ATM) | 200m Diver |
| Crystal | Mineral Glass | Sapphire |
| Case Material | Stainless Steel | — |
| Origin | Citizen (Japan) | Seiko (Japan) |
Category-by-Category Analysis
Design & Aesthetics
Citizen's design language vs Seiko's approach
The Citizen Eco-Drive Weekender Garrison features a Stainless Steel case at 37mm with Mineral Glass protection. The Seiko Prospex Sea Solar SNE597 offers steel construction at 41.0mm (48.8mm lug-to-lug, 11.3mm thick) with Sapphire. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Eco-Drive Caliber E101 vs Solar Quartz
The Eco-Drive Weekender Garrison runs the Eco-Drive Caliber E101 (Eco-Drive Solar Quartz (No Battery Change), 6 Months (Solar, Full Charge) power reserve) at standard frequency. The Prospex Sea Solar SNE597 uses the Solar Quartz (Seiko Solar Quartz, standard reserve) at standard. The Eco-Drive Weekender Garrison edges ahead on power reserve.
Wearability & Fit
37mm vs 41.0mm (48.8mm lug-to-lug, 11.3mm thick) — different wrist presence
At 37mm, the Eco-Drive Weekender Garrison wears more compactly on smaller wrists compared to the Prospex Sea Solar SNE597 at 41.0mm (48.8mm lug-to-lug, 11.3mm thick). Water resistance differs: 100m (10 ATM) vs 200m Diver.
Value & Cost of Ownership
Citizen sits in the lower tier
The Citizen Eco-Drive Weekender Garrison sits at $100–$150 and the Seiko Prospex Sea Solar SNE597 at $500–$1,000. On the specs that outlast any price: the Eco-Drive Weekender Garrison uses Mineral Glass with 6 Months (Solar, Full Charge), against Sapphire and a standard reserve on the Prospex Sea Solar SNE597. Service intervals are typically 5-7 years for both.
Water Resistance
100m (10 ATM) vs 200m Diver
The Eco-Drive Weekender Garrison is rated to 100m (10 ATM) while the Prospex Sea Solar SNE597 handles 200m Diver. The Prospex Sea Solar SNE597 offers superior water resistance.
Our Verdict
Citizen
Eco-Drive Weekender Garrison
Choose the Citizen Eco-Drive Weekender Garrison if you prioritize Eco-Drive Solar Quartz (No Battery Change) engineering, Citizen (Japan) craftsmanship, and 100m (10 ATM) water resistance. At $100–$150, it delivers Eco-Drive Caliber E101 with 6 Months (Solar, Full Charge) power reserve.
Check Price on AmazonSeiko
Prospex Sea Solar SNE597
Choose the Seiko Prospex Sea Solar SNE597 if you value Seiko Solar Quartz technology, Seiko (Japan) heritage, and 41.0mm (48.8mm lug-to-lug, 11.3mm thick) proportions. At $500–$1,000, the Solar Quartz with ample power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Citizen Eco-Drive Weekender Garrison and Seiko Prospex Sea Solar SNE597 represent two distinct approaches to fine watchmaking — the Citizen bringing Citizen (Japan) tradition while Seiko delivers Seiko (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.

