Casio F-91W vs Frederique Constant Slimline Moonphase Manufacture
Casio's timepiece meets Frederique Constant's dress watch
Quick Verdict
The Casio F-91W (~$20) offers Casio Digital Quartz (Battery) precision at $4,280 less than the Frederique Constant Slimline Moonphase Manufacture (~$4,300). The Slimline Moonphase Manufacture counters with Swiss Made craftsmanship and 30m (3 ATM) water resistance. Both are exceptional watches for their respective price points.
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Specifications Compared
| Feature | Casio F-91W | Frederique Constant Slimline Moonphase Manufacture |
|---|---|---|
| Price | ~$20 | ~$4,300 |
| Case Size | 35mm | 42mm |
| Movement | Quartz Module 593 | Automatic FC-705 (In-House) |
| Caliber Type | Casio Digital Quartz (Battery) | In-House Automatic Manufacture |
| Power Reserve | 7-Year Battery | 42 Hours |
| Water Resistance | 30m (Splash Resistant) | 30m (3 ATM) |
| Crystal | Acrylic | Convex Sapphire |
| Case Material | Resin | Stainless Steel |
| Origin | Casio (Japan) | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Casio's design language vs Frederique Constant's approach
Movement & Performance
Quartz Module 593 vs Automatic FC-705 (In-House)
Wearability & Fit
35mm vs 42mm — different wrist presence
Value & Cost of Ownership
Casio is $4,280 more affordable
Water Resistance
30m (Splash Resistant) vs 30m (3 ATM)
Our Verdict
Casio
F-91W
Choose the Casio F-91W if you prioritize Casio Digital Quartz (Battery) engineering, Casio (Japan) craftsmanship, and 30m (Splash Resistant) water resistance. At ~$20, it delivers Quartz Module 593 with 7-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 ~$4,300, the Automatic FC-705 (In-House) with 42 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Casio F-91W 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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