Casio MTP-S120L Solar Field vs OLEVS Moon Phase Dress Watch
Casio's field watch meets OLEVS's dress watch
Quick Verdict
The Casio MTP-S120L Solar Field ($100–$150) and OLEVS Moon Phase Dress Watch ($100–$150) are closely matched timepieces at similar price points. The MTP-S120L Solar Field emphasizes Casio Tough Solar Quartz engineering while the Moon Phase Dress Watch focuses on OLEVS craftsmanship.
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Specifications Compared
| Feature | Casio MTP-S120L Solar Field | OLEVS Moon Phase Dress Watch |
|---|---|---|
| Price | $100–$150 | $100–$150 |
| Case Size | 44.5mm | — |
| Movement | Solar-Powered Quartz | Quartz |
| Caliber Type | Casio Tough Solar Quartz | Quartz (Battery) |
| Power Reserve | Months on a full solar charge; no battery replacement | — |
| Water Resistance | 100m (10 ATM) | — |
| Crystal | Mineral Crystal | — |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Casio (Japan) | OLEVS |
Category-by-Category Analysis
Design & Aesthetics
Casio's design language vs OLEVS's approach
The Casio MTP-S120L Solar Field features a Stainless Steel case at 44.5mm with Mineral Crystal protection. The OLEVS Moon Phase Dress Watch offers Stainless Steel construction at mid-size with crystal. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Solar-Powered Quartz vs Quartz
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 Moon Phase Dress Watch uses the Quartz (Quartz (Battery), standard reserve) at standard. Power reserves are closely matched.
Wearability & Fit
44.5mm vs mid-size — different wrist presence
At 44.5mm, the MTP-S120L Solar Field has a bolder wrist presence compared to the Moon Phase Dress Watch at 40mm. Water resistance differs: 100m (10 ATM) vs 50m.
Value & Cost of Ownership
Same tier — different value propositions
The Casio MTP-S120L Solar Field sits at $100–$150 and the OLEVS Moon Phase Dress Watch at $100–$150. 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 a hardened crystal and a standard reserve on the Moon Phase Dress Watch. Service intervals are typically 5-7 years for both.
Water Resistance
100m (10 ATM) vs 50m
The MTP-S120L Solar Field is rated to 100m (10 ATM) while the Moon Phase Dress Watch handles 50m. The MTP-S120L Solar Field is better suited for water activities.
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 AmazonOLEVS
Moon Phase Dress Watch
Choose the OLEVS Moon Phase Dress Watch if you value Quartz (Battery) technology, OLEVS heritage, and comfortable proportions. At $100–$150, the Quartz with ample power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Casio MTP-S120L Solar Field and OLEVS Moon Phase Dress Watch represent two distinct approaches to fine watchmaking — the Casio bringing Casio (Japan) tradition while OLEVS delivers OLEVS 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.

