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Casio MTP-S120L Solar Field vs Citizen Eco-Drive Weekender Chronograph
Casio's field watch meets Citizen's chronograph
Quick Verdict
The Casio MTP-S120L Solar Field ($100–$150) offers Casio Tough Solar Quartz precision in the tier below the Citizen Eco-Drive Weekender Chronograph ($150–$250). The MTP-S120L Solar Field measures 42mm (49 x 42 x 10.9mm) and is rated 100m (10 ATM). The Eco-Drive Weekender Chronograph counters with Japanese Movement craftsmanship and 100m (10 ATM) water resistance. Both are exceptional watches for their respective tiers.
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Specifications Compared
| Feature | Casio MTP-S120L Solar Field | Citizen Eco-Drive Weekender Chronograph |
|---|---|---|
| Price | $100–$150 | $150–$250 |
| Case Size | 42mm (49 x 42 x 10.9mm) | 43mm |
| Movement | Solar-Powered Quartz | Eco-Drive Caliber H500 |
| Caliber Type | Casio Tough Solar Quartz | Citizen Eco-Drive Solar Quartz |
| Power Reserve | Months on a full solar charge; no battery replacement | — |
| Water Resistance | 100m (10 ATM) | 100m (10 ATM) |
| Crystal | Mineral Crystal | Mineral Crystal |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Casio (Japan) | Japanese Movement |
Category-by-Category Analysis
Design & Aesthetics
Casio's design language vs Citizen's approach
The Casio MTP-S120L Solar Field features a Stainless Steel case at 42mm (49 x 42 x 10.9mm) with Mineral Crystal protection. The Citizen Eco-Drive Weekender Chronograph offers Stainless Steel construction at 43mm with Mineral Crystal. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Solar-Powered Quartz vs Eco-Drive Caliber H500
The MTP-S120L Solar Field runs the Solar-Powered Quartz (Casio Tough Solar Quartz, Months on a full solar charge; no battery replacement power reserve) at standard frequency. The Eco-Drive Weekender Chronograph uses the Eco-Drive Caliber H500 (Citizen Eco-Drive Solar Quartz, standard reserve) at standard. Power reserves are closely matched.
Wearability & Fit
42mm (49 x 42 x 10.9mm) vs 43mm — different wrist presence
At 42mm (49 x 42 x 10.9mm), the MTP-S120L Solar Field wears more compactly on smaller wrists compared to the Eco-Drive Weekender Chronograph at 43mm. Water resistance differs: 100m (10 ATM) vs 100m (10 ATM).
Value & Cost of Ownership
Casio sits in the lower tier
The Casio MTP-S120L Solar Field sits at $100–$150 and the Citizen Eco-Drive Weekender Chronograph at $150–$250. On the specs that outlast any price: the MTP-S120L Solar Field uses Mineral Crystal with Months on a full solar charge; no battery replacement, against Mineral Crystal and a standard reserve on the Eco-Drive Weekender Chronograph. Service intervals are typically 5-7 years for both.
Water Resistance
100m (10 ATM) vs 100m (10 ATM)
The MTP-S120L Solar Field is rated to 100m (10 ATM) while the Eco-Drive Weekender Chronograph handles 100m (10 ATM). Both offer identical water resistance ratings.
Our Verdict
Casio
MTP-S120L Solar Field
Choose the Casio MTP-S120L Solar Field if you prioritize Casio Tough Solar Quartz engineering, Casio (Japan) craftsmanship, and 100m (10 ATM) water resistance. At $100–$150, it delivers Solar-Powered Quartz with Months on a full solar charge; no battery replacement power reserve.
Check Price on AmazonCitizen
Eco-Drive Weekender Chronograph
Choose the Citizen Eco-Drive Weekender Chronograph if you value Citizen Eco-Drive Solar Quartz technology, Japanese Movement heritage, and 43mm proportions. At $150–$250, the Eco-Drive Caliber H500 with ample power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Casio MTP-S120L Solar Field and Citizen Eco-Drive Weekender Chronograph represent two distinct approaches to fine watchmaking — the Casio bringing Casio (Japan) tradition while Citizen delivers Japanese Movement 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.