Updated
Blancpain Villeret 8 Jours (platinum, black dial, limited edition) vs Rolex Day-Date 18238 (18k yellow gold, blue diamond dial)
Two timepieces compared — $25,000+ vs $25,000+
Quick Verdict
The Blancpain Villeret 8 Jours (platinum, black dial, limited edition) ($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 8 Jours (platinum, black dial, limited edition) emphasizes Blancpain 13R0, hand-wound, silicon balance spring engineering while the Day-Date 18238 (18k yellow gold, blue diamond dial) focuses on Swiss Made craftsmanship.
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Specifications Compared
| Feature | Blancpain Villeret 8 Jours (platinum, black dial, limited edition) | Rolex Day-Date 18238 (18k yellow gold, blue diamond dial) |
|---|---|---|
| Price | $25,000+ | $25,000+ |
| Case Size | 42mm | 36mm |
| Movement | Hand-wound, Blancpain Calibre 13R0 (three barrels) | Automatic, Rolex Calibre 3155 |
| Caliber Type | Blancpain 13R0, hand-wound, silicon balance spring | Rolex 3155, in-house automatic, chronometer |
| Power Reserve | About 192 hours (eight days), indicator at 12 | About 48 hours |
| Water Resistance | 30m (3 ATM) | 100m (10 ATM) |
| Crystal | Sapphire Crystal, sapphire caseback | Sapphire Crystal, Cyclops |
| Case Material | Platinum, 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 8 Jours (platinum, black dial, limited edition) features a Platinum, 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
Hand-wound, Blancpain Calibre 13R0 (three barrels) vs Automatic, Rolex Calibre 3155
The Villeret 8 Jours (platinum, black dial, limited edition) runs the Hand-wound, Blancpain Calibre 13R0 (three barrels) (Blancpain 13R0, hand-wound, silicon balance spring, About 192 hours (eight days), indicator at 12 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 8 Jours (platinum, black dial, limited edition) edges ahead on power reserve.
Wearability & Fit
42mm vs 36mm — different wrist presence
At 42mm, the Villeret 8 Jours (platinum, black dial, limited edition) 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 8 Jours (platinum, black dial, limited edition) 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 8 Jours (platinum, black dial, limited edition) uses Sapphire Crystal, sapphire caseback with About 192 hours (eight days), indicator at 12, 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 8 Jours (platinum, black dial, limited edition) 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 8 Jours (platinum, black dial, limited edition)
Choose the Blancpain Villeret 8 Jours (platinum, black dial, limited edition) if you prioritize Blancpain 13R0, hand-wound, silicon balance spring engineering, Swiss Made craftsmanship, and 30m (3 ATM) water resistance. At $25,000+, it delivers Hand-wound, Blancpain Calibre 13R0 (three barrels) with About 192 hours (eight days), indicator at 12 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 8 Jours (platinum, black dial, limited edition) and Rolex Day-Date 18238 (18k yellow gold, blue diamond dial) represent two distinct approaches to the timepiece category — 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.

