Updated
Blancpain Villeret Quantième Complet 8 Jours (red gold, enamel dial) vs Breguet Classique 7137 Power Reserve Moonphase (18k yellow gold)
Two dress watchs compared — $25,000+ vs $25,000+
Quick Verdict
The Blancpain Villeret Quantième Complet 8 Jours (red gold, enamel dial) ($25,000+) and Breguet Classique 7137 Power Reserve Moonphase (18k yellow gold) ($25,000+) are closely matched dress watchs 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 Classique 7137 Power Reserve Moonphase (18k yellow gold) focuses on Swiss Made craftsmanship.
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Specifications Compared
| Feature | Blancpain Villeret Quantième Complet 8 Jours (red gold, enamel dial) | Breguet Classique 7137 Power Reserve Moonphase (18k yellow gold) |
|---|---|---|
| Price | $25,000+ | $25,000+ |
| Case Size | 42mm | 39mm |
| Movement | Automatic, Blancpain Calibre 6639A (three barrels) | Automatic, Breguet Calibre 502.3 QSE1 (ultra-thin, off-centre rotor) |
| Caliber Type | Blancpain 6639A, automatic, silicon balance spring, under-lug correctors | Breguet 502.3 QSE1, automatic, silicon escapement |
| Power Reserve | About 192 hours (eight days) | About 45 hours, with indicator |
| Water Resistance | 30m (3 ATM) | 30m (3 ATM) |
| Crystal | Sapphire Crystal, sapphire caseback | Sapphire Crystal, sapphire caseback |
| Case Material | 18k red gold, double-stepped bezel | 18k yellow gold, fluted caseband |
| Origin | Swiss Made | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Blancpain's design language vs Breguet'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 Breguet Classique 7137 Power Reserve Moonphase (18k yellow gold) offers 18k yellow gold, fluted caseband construction at 39mm with Sapphire Crystal, sapphire caseback. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic, Blancpain Calibre 6639A (three barrels) vs Automatic, Breguet Calibre 502.3 QSE1 (ultra-thin, off-centre rotor)
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 Classique 7137 Power Reserve Moonphase (18k yellow gold) uses the Automatic, Breguet Calibre 502.3 QSE1 (ultra-thin, off-centre rotor) (Breguet 502.3 QSE1, automatic, silicon escapement, About 45 hours, with indicator reserve) at standard. The Villeret Quantième Complet 8 Jours (red gold, enamel dial) edges ahead on power reserve.
Wearability & Fit
42mm vs 39mm — different wrist presence
At 42mm, the Villeret Quantième Complet 8 Jours (red gold, enamel dial) has a bolder wrist presence compared to the Classique 7137 Power Reserve Moonphase (18k yellow gold) at 39mm. Water resistance differs: 30m (3 ATM) vs 30m (3 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 Breguet Classique 7137 Power Reserve Moonphase (18k yellow gold) 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, sapphire caseback and About 45 hours, with indicator on the Classique 7137 Power Reserve Moonphase (18k yellow gold). Service intervals are typically 5-7 years for both.
Water Resistance
30m (3 ATM) vs 30m (3 ATM)
The Villeret Quantième Complet 8 Jours (red gold, enamel dial) is rated to 30m (3 ATM) while the Classique 7137 Power Reserve Moonphase (18k yellow gold) handles 30m (3 ATM). Both offer identical water resistance ratings.
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 AmazonBreguet
Classique 7137 Power Reserve Moonphase (18k yellow gold)
Choose the Breguet Classique 7137 Power Reserve Moonphase (18k yellow gold) if you value Breguet 502.3 QSE1, automatic, silicon escapement technology, Swiss Made heritage, and 39mm proportions. At $25,000+, the Automatic, Breguet Calibre 502.3 QSE1 (ultra-thin, off-centre rotor) with About 45 hours, with indicator 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 Breguet Classique 7137 Power Reserve Moonphase (18k yellow gold) represent two distinct approaches to the dress watch category — the Blancpain bringing Swiss Made tradition while Breguet 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.

