Frederique Constant Slimline Moonphase Manufacture vs Invicta Pro Diver Automatic 23681
Frederique Constant's dress watch meets Invicta's diver
Quick Verdict
The Invicta Pro Diver Automatic 23681 ($50–$100) delivers Automatic (Seiko NH35A) technology in the tier below the Frederique Constant Slimline Moonphase Manufacture ($2,500–$5,000). The Pro Diver Automatic 23681 measures 40mm and is rated 200m. 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 | Invicta Pro Diver Automatic 23681 |
|---|---|---|
| Price | $2,500–$5,000 | $50–$100 |
| Case Size | 42mm | 40mm |
| Movement | Automatic FC-705 (In-House) | Automatic NH35A |
| Caliber Type | In-House Automatic Manufacture | Automatic (Seiko NH35A) |
| Power Reserve | 42 Hours | — |
| Water Resistance | 30m (3 ATM) | 200m |
| Crystal | Convex Sapphire | Mineral Glass |
| Case Material | Stainless Steel | — |
| Origin | Swiss Made | Invicta (Japanese movement) |
Category-by-Category Analysis
Design & Aesthetics
Frederique Constant's design language vs Invicta's approach
The Frederique Constant Slimline Moonphase Manufacture features a Stainless Steel case at 42mm with Convex Sapphire protection. The Invicta Pro Diver Automatic 23681 offers steel construction at 40mm with Mineral Glass. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic FC-705 (In-House) vs Automatic NH35A
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 Pro Diver Automatic 23681 uses the Automatic NH35A (Automatic (Seiko NH35A), standard reserve) at standard. The Slimline Moonphase Manufacture edges ahead on power reserve.
Wearability & Fit
42mm vs 40mm — different wrist presence
At 42mm, the Slimline Moonphase Manufacture has a bolder wrist presence compared to the Pro Diver Automatic 23681 at 40mm. Water resistance differs: 30m (3 ATM) vs 200m.
Value & Cost of Ownership
Invicta sits in the lower tier
The Frederique Constant Slimline Moonphase Manufacture sits at $2,500–$5,000 and the Invicta Pro Diver Automatic 23681 at $50–$100. On the specs that outlast any price: the Slimline Moonphase Manufacture uses Convex Sapphire with 42 Hours, against Mineral Glass and a standard reserve on the Pro Diver Automatic 23681. Service intervals are typically 5-7 years for both.
Water Resistance
30m (3 ATM) vs 200m
The Slimline Moonphase Manufacture is rated to 30m (3 ATM) while the Pro Diver Automatic 23681 handles 200m. The Pro Diver Automatic 23681 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 AmazonInvicta
Pro Diver Automatic 23681
Choose the Invicta Pro Diver Automatic 23681 if you value Automatic (Seiko NH35A) technology, Invicta (Japanese movement) heritage, and 40mm proportions. At $50–$100, the Automatic NH35A with ample power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Frederique Constant Slimline Moonphase Manufacture and Invicta Pro Diver Automatic 23681 represent two distinct approaches to fine watchmaking — the Frederique Constant bringing Swiss Made tradition while Invicta delivers Invicta (Japanese movement) 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.

