Updated
Blancpain Villeret Quantième Complet 8 Jours (red gold, enamel dial) vs Rolex Day-Date 18238 (18k yellow gold, blue diamond dial)
Blancpain's dress watch meets Rolex's timepiece
Quick Verdict
The Blancpain Villeret Quantième Complet 8 Jours (red gold, enamel dial) ($25,000+) and Rolex Day-Date 18238 (18k yellow gold, blue diamond dial) ($25,000+) are closely matched timepieces at similar price points. The Villeret Quantième Complet 8 Jours (red gold, enamel dial) emphasizes Blancpain 6639A, automatic, silicon balance spring, under-lug correctors engineering while the Day-Date 18238 (18k yellow gold, blue diamond dial) focuses on Swiss Made craftsmanship.
Transparency — We earn a small commission on purchases made through our Amazon links. This doesn't affect our editorial independence.
Specifications Compared
| Feature | Blancpain Villeret Quantième Complet 8 Jours (red gold, enamel dial) | Rolex Day-Date 18238 (18k yellow gold, blue diamond dial) |
|---|---|---|
| Price | $25,000+ | $25,000+ |
| Case Size | 42mm | 36mm |
| Movement | Automatic, Blancpain Calibre 6639A (three barrels) | Automatic, Rolex Calibre 3155 |
| Caliber Type | Blancpain 6639A, automatic, silicon balance spring, under-lug correctors | Rolex 3155, in-house automatic, chronometer |
| Power Reserve | About 192 hours (eight days) | About 48 hours |
| Water Resistance | 30m (3 ATM) | 100m (10 ATM) |
| Crystal | Sapphire Crystal, sapphire caseback | Sapphire Crystal, Cyclops |
| Case Material | 18k red gold, double-stepped bezel | 18k yellow gold |
| Origin | Swiss Made | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Blancpain's design language vs Rolex's approach
The Blancpain Villeret Quantième Complet 8 Jours (red gold, enamel dial) features a 18k red gold, double-stepped bezel case at 42mm with Sapphire Crystal, sapphire caseback protection. The Rolex Day-Date 18238 (18k yellow gold, blue diamond dial) offers 18k yellow gold construction at 36mm with Sapphire Crystal, Cyclops. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic, Blancpain Calibre 6639A (three barrels) vs Automatic, Rolex Calibre 3155
The Villeret Quantième Complet 8 Jours (red gold, enamel dial) runs the Automatic, Blancpain Calibre 6639A (three barrels) (Blancpain 6639A, automatic, silicon balance spring, under-lug correctors, About 192 hours (eight days) power reserve) at standard frequency. The Day-Date 18238 (18k yellow gold, blue diamond dial) uses the Automatic, Rolex Calibre 3155 (Rolex 3155, in-house automatic, chronometer, About 48 hours reserve) at standard. The Villeret Quantième Complet 8 Jours (red gold, enamel dial) edges ahead on power reserve.
Wearability & Fit
42mm vs 36mm — different wrist presence
At 42mm, the Villeret Quantième Complet 8 Jours (red gold, enamel dial) has a bolder wrist presence compared to the Day-Date 18238 (18k yellow gold, blue diamond dial) at 36mm. Water resistance differs: 30m (3 ATM) vs 100m (10 ATM).
Value & Cost of Ownership
Same tier — different value propositions
The Blancpain Villeret Quantième Complet 8 Jours (red gold, enamel dial) sits at $25,000+ and the Rolex Day-Date 18238 (18k yellow gold, blue diamond dial) at $25,000+. On the specs that outlast any price: the Villeret Quantième Complet 8 Jours (red gold, enamel dial) uses Sapphire Crystal, sapphire caseback with About 192 hours (eight days), against Sapphire Crystal, Cyclops and About 48 hours on the Day-Date 18238 (18k yellow gold, blue diamond dial). Service intervals are typically 5-7 years for both.
Water Resistance
30m (3 ATM) vs 100m (10 ATM)
The Villeret Quantième Complet 8 Jours (red gold, enamel dial) is rated to 30m (3 ATM) while the Day-Date 18238 (18k yellow gold, blue diamond dial) handles 100m (10 ATM). The Day-Date 18238 (18k yellow gold, blue diamond dial) offers superior water resistance.
Our Verdict
Blancpain
Villeret Quantième Complet 8 Jours (red gold, enamel dial)
Choose the Blancpain Villeret Quantième Complet 8 Jours (red gold, enamel dial) if you prioritize Blancpain 6639A, automatic, silicon balance spring, under-lug correctors engineering, Swiss Made craftsmanship, and 30m (3 ATM) water resistance. At $25,000+, it delivers Automatic, Blancpain Calibre 6639A (three barrels) with About 192 hours (eight days) power reserve.
Check Price on AmazonRolex
Day-Date 18238 (18k yellow gold, blue diamond dial)
Choose the Rolex Day-Date 18238 (18k yellow gold, blue diamond dial) if you value Rolex 3155, in-house automatic, chronometer technology, Swiss Made heritage, and 36mm proportions. At $25,000+, the Automatic, Rolex Calibre 3155 with About 48 hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Blancpain Villeret Quantième Complet 8 Jours (red gold, enamel dial) and Rolex Day-Date 18238 (18k yellow gold, blue diamond dial) represent two distinct approaches to fine watchmaking — the Blancpain bringing Swiss Made tradition while Rolex delivers Swiss Made engineering.
Frequently Asked Questions
More Comparisons
Tag Heuer Carrera Chronograph vs Blancpain Villeret Quantième Complet 8 Jours (red gold, enamel dial)
Tag Heuer's chronograph meets Blancpain's dress watch
Tag Heuer Carrera Chronograph vs Rolex Day-Date 18238 (18k yellow gold, blue diamond dial)
Tag Heuer's chronograph meets Rolex's timepiece
Tissot PRX Powermatic 80 vs Blancpain Villeret Quantième Complet 8 Jours (red gold, enamel dial)
Tissot's timepiece meets Blancpain's dress watch
Explore These Watches
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.