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Blancpain Villeret Quantième Complet 8 Jours (red gold, enamel dial) vs Rolex Datejust 31 68278 (18k yellow gold, white Roman dial)
Blancpain's dress watch meets Rolex's timepiece
Quick Verdict
The Rolex Datejust 31 68278 (18k yellow gold, white Roman dial) ($10,000–$25,000) delivers Rolex 2135, in-house automatic, chronometer technology in the tier below the Blancpain Villeret Quantième Complet 8 Jours (red gold, enamel dial) ($25,000+). The Datejust 31 68278 (18k yellow gold, white Roman dial) measures 31mm and is rated 100m (10 ATM). The Villeret Quantième Complet 8 Jours (red gold, enamel dial) justifies its premium with Swiss Made heritage and Automatic, Blancpain Calibre 6639A (three barrels). Both represent excellent choices in the luxury watch category.
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Specifications Compared
| Feature | Blancpain Villeret Quantième Complet 8 Jours (red gold, enamel dial) | Rolex Datejust 31 68278 (18k yellow gold, white Roman dial) |
|---|---|---|
| Price | $25,000+ | $10,000–$25,000 |
| Case Size | 42mm | 31mm |
| Movement | Automatic, Blancpain Calibre 6639A (three barrels) | Automatic, Rolex Calibre 2135 |
| Caliber Type | Blancpain 6639A, automatic, silicon balance spring, under-lug correctors | Rolex 2135, in-house automatic, chronometer |
| Power Reserve | About 192 hours (eight days) | About 42 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, fluted bezel |
| 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 Datejust 31 68278 (18k yellow gold, white Roman dial) offers 18k yellow gold, fluted bezel construction at 31mm 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 2135
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 Datejust 31 68278 (18k yellow gold, white Roman dial) uses the Automatic, Rolex Calibre 2135 (Rolex 2135, in-house automatic, chronometer, About 42 hours reserve) at standard. The Villeret Quantième Complet 8 Jours (red gold, enamel dial) edges ahead on power reserve.
Wearability & Fit
42mm vs 31mm — different wrist presence
At 42mm, the Villeret Quantième Complet 8 Jours (red gold, enamel dial) has a bolder wrist presence compared to the Datejust 31 68278 (18k yellow gold, white Roman dial) at 31mm. Water resistance differs: 30m (3 ATM) vs 100m (10 ATM).
Value & Cost of Ownership
Rolex sits in the lower tier
The Blancpain Villeret Quantième Complet 8 Jours (red gold, enamel dial) sits at $25,000+ and the Rolex Datejust 31 68278 (18k yellow gold, white Roman dial) at $10,000–$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 42 hours on the Datejust 31 68278 (18k yellow gold, white Roman 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 Datejust 31 68278 (18k yellow gold, white Roman dial) handles 100m (10 ATM). The Datejust 31 68278 (18k yellow gold, white Roman 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
Datejust 31 68278 (18k yellow gold, white Roman dial)
Choose the Rolex Datejust 31 68278 (18k yellow gold, white Roman dial) if you value Rolex 2135, in-house automatic, chronometer technology, Swiss Made heritage, and 31mm proportions. At $10,000–$25,000, the Automatic, Rolex Calibre 2135 with About 42 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 Datejust 31 68278 (18k yellow gold, white Roman dial) represent two distinct approaches to fine watchmaking — the Blancpain bringing Swiss Made tradition while Rolex 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.