Head-to-Head Comparison

Updated September 5, 2026

Blancpain Villeret Quantième Complet 8 Jours (red gold, enamel dial) vs Rolex Lady-Datejust 26 69179 (white gold, yellow gold bezel, Jurassic fossil dial, Tridor President, box)

Blancpain's dress watch meets Rolex's timepiece

Quick Verdict

The Rolex Lady-Datejust 26 69179 (white gold, yellow gold bezel, Jurassic fossil dial, Tridor President, box) ($10,000–$25,000) delivers Rolex 2135, chronometer certified technology in the tier below the Blancpain Villeret Quantième Complet 8 Jours (red gold, enamel dial) ($25,000+). The Lady-Datejust 26 69179 (white gold, yellow gold bezel, Jurassic fossil dial, Tridor President, box) measures 26mm 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.

BlancpainVilleret Quantième Complet 8 Jours (red gold, enamel dial)$25,000+ Check price RolexLady-Datejust 26 69179 (white gold, yellow gold bezel, Jurassic fossil dial, Tridor President, box)$10,000–$25,000 Check price

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Blancpain

Villeret Quantième Complet 8 Jours (red gold, enamel dial)

$25,000+

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Rolex

Lady-Datejust 26 69179 (white gold, yellow gold bezel, Jurassic fossil dial, Tridor President, box)

$10,000–$25,000

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Specifications Compared

Feature	Blancpain Villeret Quantième Complet 8 Jours (red gold, enamel dial)	Rolex Lady-Datejust 26 69179 (white gold, yellow gold bezel, Jurassic fossil dial, Tridor President, box)
Price	$25,000+	$10,000–$25,000
Case Size	42mm	26mm
Movement	Automatic, Blancpain Calibre 6639A (three barrels)	Automatic, Rolex calibre 2135, quickset date
Caliber Type	Blancpain 6639A, automatic, silicon balance spring, under-lug correctors	Rolex 2135, chronometer certified
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 white gold (69179), 18k yellow gold fluted bezel
Origin	Swiss Made	Swiss Made

Category-by-Category Analysis

🎨

Design & Aesthetics

Edge: Draw

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 Lady-Datejust 26 69179 (white gold, yellow gold bezel, Jurassic fossil dial, Tridor President, box) offers 18k white gold (69179), 18k yellow gold fluted bezel construction at 26mm with Sapphire Crystal, Cyclops. Both represent their brand's distinct design philosophy and heritage.

⚙️

Movement & Performance

Edge: Blancpain

Automatic, Blancpain Calibre 6639A (three barrels) vs Automatic, Rolex calibre 2135, quickset date

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 Lady-Datejust 26 69179 (white gold, yellow gold bezel, Jurassic fossil dial, Tridor President, box) uses the Automatic, Rolex calibre 2135, quickset date (Rolex 2135, chronometer certified, About 42 hours reserve) at standard. The Villeret Quantième Complet 8 Jours (red gold, enamel dial) edges ahead on power reserve.

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Wearability & Fit

Edge: Rolex

42mm vs 26mm — different wrist presence

At 42mm, the Villeret Quantième Complet 8 Jours (red gold, enamel dial) has a bolder wrist presence compared to the Lady-Datejust 26 69179 (white gold, yellow gold bezel, Jurassic fossil dial, Tridor President, box) at 26mm. Water resistance differs: 30m (3 ATM) vs 100m (10 ATM).

💰

Value & Cost of Ownership

Edge: Rolex

Rolex sits in the lower tier

The Blancpain Villeret Quantième Complet 8 Jours (red gold, enamel dial) sits at $25,000+ and the Rolex Lady-Datejust 26 69179 (white gold, yellow gold bezel, Jurassic fossil dial, Tridor President, box) 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 Lady-Datejust 26 69179 (white gold, yellow gold bezel, Jurassic fossil dial, Tridor President, box). Service intervals are typically 5-7 years for both.

💧

Water Resistance

Edge: Rolex

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 Lady-Datejust 26 69179 (white gold, yellow gold bezel, Jurassic fossil dial, Tridor President, box) handles 100m (10 ATM). The Lady-Datejust 26 69179 (white gold, yellow gold bezel, Jurassic fossil dial, Tridor President, box) 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.

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Rolex

Lady-Datejust 26 69179 (white gold, yellow gold bezel, Jurassic fossil dial, Tridor President, box)

Choose the Rolex Lady-Datejust 26 69179 (white gold, yellow gold bezel, Jurassic fossil dial, Tridor President, box) if you value Rolex 2135, chronometer certified technology, Swiss Made heritage, and 26mm proportions. At $10,000–$25,000, the Automatic, Rolex calibre 2135, quickset date with About 42 hours power reserve makes it a compelling choice.

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The Bottom Line

The Blancpain Villeret Quantième Complet 8 Jours (red gold, enamel dial) and Rolex Lady-Datejust 26 69179 (white gold, yellow gold bezel, Jurassic fossil dial, Tridor President, box) represent two distinct approaches to fine watchmaking — the Blancpain bringing Swiss Made tradition while Rolex delivers Swiss Made engineering.

Frequently Asked Questions

For water, the Rolex Lady-Datejust 26 69179 (white gold, yellow gold bezel, Jurassic fossil dial, Tridor President, box) is rated 100 m against 30 m, which is the difference between swimming and diving on one side and splashes on the other. On price, the Rolex Lady-Datejust 26 69179 (white gold, yellow gold bezel, Jurassic fossil dial, Tridor President, box) sits a band lower ($10,000–$25,000 against $25,000+), so it is the cheaper way into the category. Neither is better at everything; the spec table above shows movement, case size, water resistance and crystal side by side so you can weigh what matters to you. We do not test units, so this is the makers' data, not a bench result.

The Rolex Lady-Datejust 26 69179 (white gold, yellow gold bezel, Jurassic fossil dial, Tridor President, box) offers better upfront value, sitting a tier lower at $10,000–$25,000. However, the Blancpain Villeret Quantième Complet 8 Jours (red gold, enamel dial) may justify its premium with superior finishing, heritage, or resale value.

Both are suitable for daily wear. The Villeret Quantième Complet 8 Jours (red gold, enamel dial) at 42mm with 30m (3 ATM) water resistance handles everyday situations. The Lady-Datejust 26 69179 (white gold, yellow gold bezel, Jurassic fossil dial, Tridor President, box) at 26mm with 100m (10 ATM) is similarly capable. The Villeret Quantième Complet 8 Jours (red gold, enamel dial) uses Sapphire Crystal, sapphire caseback while the Lady-Datejust 26 69179 (white gold, yellow gold bezel, Jurassic fossil dial, Tridor President, box) uses Sapphire Crystal, Cyclops.

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Blancpain Villeret Quantième Complet 8 Jours (red gold, enamel dial) — Full Review Rolex Lady-Datejust 26 69179 (white gold, yellow gold bezel, Jurassic fossil dial, Tridor President, box) — Full Review Browse All Guides

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.