Casio Pro Trek PRW-B1000-1 vs Frederique Constant Slimline Moonphase Manufacture
Casio's timepiece meets Frederique Constant's dress watch
Quick Verdict
The Casio Pro Trek PRW-B1000-1 ($500–$1,000) offers Tough Solar Quartz, Multi-Band 6 + Bluetooth precision in the tier below the Frederique Constant Slimline Moonphase Manufacture ($2,500–$5,000). The Pro Trek PRW-B1000-1 measures 50.8 × 45.8 × 14.9mm and is rated 100m (10 ATM). 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 Pro Trek PRW-B1000-1 | Frederique Constant Slimline Moonphase Manufacture |
|---|---|---|
| Price | $500–$1,000 | $2,500–$5,000 |
| Case Size | 50.8 × 45.8 × 14.9mm | 42mm |
| Movement | Tough Solar (Solar Quartz), Radio-Controlled | Automatic FC-705 (In-House) |
| Caliber Type | Tough Solar Quartz, Multi-Band 6 + Bluetooth | In-House Automatic Manufacture |
| Power Reserve | Tough Solar (Rechargeable) | 42 Hours |
| Water Resistance | 100m (10 ATM) | 30m (3 ATM) |
| Crystal | Sapphire with Anti-Reflective Coating | Convex Sapphire |
| Case Material | Bio-Based Resin / 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 Pro Trek PRW-B1000-1 features a Bio-Based Resin / Stainless Steel case at 50.8 × 45.8 × 14.9mm with Sapphire with Anti-Reflective Coating 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
Tough Solar (Solar Quartz), Radio-Controlled vs Automatic FC-705 (In-House)
The Pro Trek PRW-B1000-1 runs the Tough Solar (Solar Quartz), Radio-Controlled (Tough Solar Quartz, Multi-Band 6 + Bluetooth, Tough Solar (Rechargeable) 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
50.8 × 45.8 × 14.9mm vs 42mm — different wrist presence
At 50.8 × 45.8 × 14.9mm, the Pro Trek PRW-B1000-1 has a bolder wrist presence compared to the Slimline Moonphase Manufacture at 42mm. Water resistance differs: 100m (10 ATM) vs 30m (3 ATM).
Value & Cost of Ownership
Casio sits in the lower tier
The Casio Pro Trek PRW-B1000-1 sits at $500–$1,000 and the Frederique Constant Slimline Moonphase Manufacture at $2,500–$5,000. On the specs that outlast any price: the Pro Trek PRW-B1000-1 uses Sapphire with Anti-Reflective Coating with Tough Solar (Rechargeable), against Convex Sapphire and 42 Hours on the Slimline Moonphase Manufacture. Service intervals are typically 5-7 years for both.
Water Resistance
100m (10 ATM) vs 30m (3 ATM)
The Pro Trek PRW-B1000-1 is rated to 100m (10 ATM) while the Slimline Moonphase Manufacture handles 30m (3 ATM). The Pro Trek PRW-B1000-1 is better suited for water activities.
Our Verdict
Casio
Pro Trek PRW-B1000-1
Choose the Casio Pro Trek PRW-B1000-1 if you prioritize Tough Solar Quartz, Multi-Band 6 + Bluetooth engineering, Casio (Japan) craftsmanship, and 100m (10 ATM) water resistance. At $500–$1,000, it delivers Tough Solar (Solar Quartz), Radio-Controlled with Tough Solar (Rechargeable) 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 Pro Trek PRW-B1000-1 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.