Casio Duro MDV106 vs Frederique Constant Slimline Moonphase Manufacture
Casio's diver meets Frederique Constant's dress watch
Quick Verdict
The Casio Duro MDV106 ($50–$100) offers Casio Quartz (Battery) precision in the tier below the Frederique Constant Slimline Moonphase Manufacture ($2,500–$5,000). The Duro MDV106 measures 44mm and is rated 200m (20 ATM) Diver. The Slimline Moonphase Manufacture counters with Swiss Made craftsmanship and 30m (3 ATM) water resistance. Both are exceptional watches for their respective tiers.
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Specifications Compared
| Feature | Casio Duro MDV106 | Frederique Constant Slimline Moonphase Manufacture |
|---|---|---|
| Price | $50–$100 | $2,500–$5,000 |
| Case Size | 44mm | 42mm |
| Movement | Quartz Module 2784 | Automatic FC-705 (In-House) |
| Caliber Type | Casio Quartz (Battery) | In-House Automatic Manufacture |
| Power Reserve | 3-Year Battery | 42 Hours |
| Water Resistance | 200m (20 ATM) Diver | 30m (3 ATM) |
| Crystal | Mineral Glass | Convex Sapphire |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Casio (Japan) | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Casio's design language vs Frederique Constant's approach
The Casio Duro MDV106 features a Stainless Steel case at 44mm with Mineral Glass protection. The Frederique Constant Slimline Moonphase Manufacture offers Stainless Steel construction at 42mm with Convex Sapphire. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Quartz Module 2784 vs Automatic FC-705 (In-House)
The Duro MDV106 runs the Quartz Module 2784 (Casio Quartz (Battery), 3-Year Battery power reserve) at standard frequency. The Slimline Moonphase Manufacture uses the Automatic FC-705 (In-House) (In-House Automatic Manufacture, 42 Hours reserve) at 28,800 vph (4 Hz). The Slimline Moonphase Manufacture offers a longer power reserve.
Wearability & Fit
44mm vs 42mm — different wrist presence
At 44mm, the Duro MDV106 has a bolder wrist presence compared to the Slimline Moonphase Manufacture at 42mm. Water resistance differs: 200m (20 ATM) Diver vs 30m (3 ATM).
Value & Cost of Ownership
Casio sits in the lower tier
The Casio Duro MDV106 sits at $50–$100 and the Frederique Constant Slimline Moonphase Manufacture at $2,500–$5,000. On the specs that outlast any price: the Duro MDV106 uses Mineral Glass with 3-Year Battery, against Convex Sapphire and 42 Hours on the Slimline Moonphase Manufacture. Service intervals are typically 5-7 years for both.
Water Resistance
200m (20 ATM) Diver vs 30m (3 ATM)
The Duro MDV106 is rated to 200m (20 ATM) Diver while the Slimline Moonphase Manufacture handles 30m (3 ATM). The Duro MDV106 is better suited for water activities.
Our Verdict
Casio
Duro MDV106
Choose the Casio Duro MDV106 if you prioritize Casio Quartz (Battery) engineering, Casio (Japan) craftsmanship, and 200m (20 ATM) Diver water resistance. At $50–$100, it delivers Quartz Module 2784 with 3-Year Battery power reserve.
Check Price on AmazonFrederique Constant
Slimline Moonphase Manufacture
Choose the Frederique Constant Slimline Moonphase Manufacture if you value In-House Automatic Manufacture technology, Swiss Made heritage, and 42mm proportions. At $2,500–$5,000, the Automatic FC-705 (In-House) with 42 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Casio Duro MDV106 and Frederique Constant Slimline Moonphase Manufacture represent two distinct approaches to fine watchmaking — the Casio bringing Casio (Japan) tradition while Frederique Constant delivers Swiss Made 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.

