Frederique Constant Slimline Moonphase Manufacture vs Casio G-Shock DW-5600 Square
Frederique Constant's dress watch meets Casio's diver
Quick Verdict
The Casio G-Shock DW-5600 Square ($50–$100) delivers Casio Digital Quartz (Battery) technology in the tier below the Frederique Constant Slimline Moonphase Manufacture ($2,500–$5,000). The G-Shock DW-5600 Square measures 42.8mm (Square) and is rated 200m (20 ATM). The Slimline Moonphase Manufacture justifies its premium with Swiss Made heritage and Automatic FC-705 (In-House). Both represent excellent choices in the luxury watch category.
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Specifications Compared
| Feature | Frederique Constant Slimline Moonphase Manufacture | Casio G-Shock DW-5600 Square |
|---|---|---|
| Price | $2,500–$5,000 | $50–$100 |
| Case Size | 42mm | 42.8mm (Square) |
| Movement | Automatic FC-705 (In-House) | Quartz Module 3229 |
| Caliber Type | In-House Automatic Manufacture | Casio Digital Quartz (Battery) |
| Power Reserve | 42 Hours | 2-Year Battery |
| Water Resistance | 30m (3 ATM) | 200m (20 ATM) |
| Crystal | Convex Sapphire | Mineral Glass |
| Case Material | Stainless Steel | Resin |
| Origin | Swiss Made | Casio (Japan) |
Category-by-Category Analysis
Design & Aesthetics
Frederique Constant's design language vs Casio's approach
The Frederique Constant Slimline Moonphase Manufacture features a Stainless Steel case at 42mm with Convex Sapphire protection. The Casio G-Shock DW-5600 Square offers Resin construction at 42.8mm (Square) with Mineral Glass. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic FC-705 (In-House) vs Quartz Module 3229
The Slimline Moonphase Manufacture runs the Automatic FC-705 (In-House) (In-House Automatic Manufacture, 42 Hours power reserve) at 28,800 vph (4 Hz) frequency. The G-Shock DW-5600 Square uses the Quartz Module 3229 (Casio Digital Quartz (Battery), 2-Year Battery reserve) at standard. The Slimline Moonphase Manufacture edges ahead on power reserve.
Wearability & Fit
42mm vs 42.8mm (Square) — different wrist presence
At 42mm, the Slimline Moonphase Manufacture wears more compactly on smaller wrists compared to the G-Shock DW-5600 Square at 42.8mm (Square). Water resistance differs: 30m (3 ATM) vs 200m (20 ATM).
Value & Cost of Ownership
Casio sits in the lower tier
The Frederique Constant Slimline Moonphase Manufacture sits at $2,500–$5,000 and the Casio G-Shock DW-5600 Square at $50–$100. On the specs that outlast any price: the Slimline Moonphase Manufacture uses Convex Sapphire with 42 Hours, against Mineral Glass and 2-Year Battery on the G-Shock DW-5600 Square. Service intervals are typically 5-7 years for both.
Water Resistance
30m (3 ATM) vs 200m (20 ATM)
The Slimline Moonphase Manufacture is rated to 30m (3 ATM) while the G-Shock DW-5600 Square handles 200m (20 ATM). The G-Shock DW-5600 Square offers superior water resistance.
Our Verdict
Frederique Constant
Slimline Moonphase Manufacture
Choose the Frederique Constant Slimline Moonphase Manufacture if you prioritize In-House Automatic Manufacture engineering, Swiss Made craftsmanship, and 30m (3 ATM) water resistance. At $2,500–$5,000, it delivers Automatic FC-705 (In-House) with 42 Hours power reserve.
Check Price on AmazonCasio
G-Shock DW-5600 Square
Choose the Casio G-Shock DW-5600 Square if you value Casio Digital Quartz (Battery) technology, Casio (Japan) heritage, and 42.8mm (Square) proportions. At $50–$100, the Quartz Module 3229 with 2-Year Battery power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Frederique Constant Slimline Moonphase Manufacture and Casio G-Shock DW-5600 Square represent two distinct approaches to fine watchmaking — the Frederique Constant bringing Swiss Made tradition while Casio delivers Casio (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.

