Updated
Girard-Perregaux Vintage 1945 XXL Large Date Moon Phases (rose gold, blue skeleton dial) vs Seiko 5 SNKL23
Two timepieces compared — $25,000+ vs $100–$150
Quick Verdict
The Seiko 5 SNKL23 ($100–$150) delivers Seiko Automatic (no hand-winding, no hacking) technology in the tier below the Girard-Perregaux Vintage 1945 XXL Large Date Moon Phases (rose gold, blue skeleton dial) ($25,000+). The 5 SNKL23 measures 37mm and is rated 30m (3 ATM). The Vintage 1945 XXL Large Date Moon Phases (rose gold, blue skeleton dial) justifies its premium with Swiss Made heritage and Automatic, Girard-Perregaux calibre GP03300, 28,800 vph, 32 jewels. Both represent excellent choices in the timepiece category.
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Girard-Perregaux
Vintage 1945 XXL Large Date Moon Phases (rose gold, blue skeleton dial)
$25,000+
Specifications Compared
| Feature | Girard-Perregaux Vintage 1945 XXL Large Date Moon Phases (rose gold, blue skeleton dial) | Seiko 5 SNKL23 |
|---|---|---|
| Price | $25,000+ | $100–$150 |
| Case Size | About 36 x 35mm, curved rectangle | 37mm |
| Movement | Automatic, Girard-Perregaux calibre GP03300, 28,800 vph, 32 jewels | Automatic Caliber 7S26 |
| Caliber Type | GP03300, in-house | Seiko Automatic (no hand-winding, no hacking) |
| Power Reserve | About 46 hours | 41 Hours |
| Water Resistance | 30m (3 ATM) | 30m (3 ATM) |
| Crystal | Sapphire Crystal, curved | Hardlex Crystal |
| Case Material | 18k rose gold | Stainless Steel |
| Origin | Swiss Made | Japanese Movement |
Category-by-Category Analysis
Design & Aesthetics
Girard-Perregaux's design language vs Seiko's approach
The Girard-Perregaux Vintage 1945 XXL Large Date Moon Phases (rose gold, blue skeleton dial) features a 18k rose gold case at About 36 x 35mm, curved rectangle with Sapphire Crystal, curved protection. The Seiko 5 SNKL23 offers Stainless Steel construction at 37mm with Hardlex Crystal. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic, Girard-Perregaux calibre GP03300, 28,800 vph, 32 jewels vs Automatic Caliber 7S26
The Vintage 1945 XXL Large Date Moon Phases (rose gold, blue skeleton dial) runs the Automatic, Girard-Perregaux calibre GP03300, 28,800 vph, 32 jewels (GP03300, in-house, About 46 hours power reserve) at standard frequency. The 5 SNKL23 uses the Automatic Caliber 7S26 (Seiko Automatic (no hand-winding, no hacking), 41 Hours reserve) at 21,600 vph (3 Hz). The Vintage 1945 XXL Large Date Moon Phases (rose gold, blue skeleton dial) edges ahead on power reserve.
Wearability & Fit
About 36 x 35mm, curved rectangle vs 37mm — different wrist presence
At About 36 x 35mm, curved rectangle, the Vintage 1945 XXL Large Date Moon Phases (rose gold, blue skeleton dial) wears more compactly on smaller wrists compared to the 5 SNKL23 at 37mm. Water resistance differs: 30m (3 ATM) vs 30m (3 ATM).
Value & Cost of Ownership
Seiko sits in the lower tier
The Girard-Perregaux Vintage 1945 XXL Large Date Moon Phases (rose gold, blue skeleton dial) sits at $25,000+ and the Seiko 5 SNKL23 at $100–$150. On the specs that outlast any price: the Vintage 1945 XXL Large Date Moon Phases (rose gold, blue skeleton dial) uses Sapphire Crystal, curved with About 46 hours, against Hardlex Crystal and 41 Hours on the 5 SNKL23. Service intervals are typically 5-7 years for both.
Water Resistance
30m (3 ATM) vs 30m (3 ATM)
The Vintage 1945 XXL Large Date Moon Phases (rose gold, blue skeleton dial) is rated to 30m (3 ATM) while the 5 SNKL23 handles 30m (3 ATM). Both offer identical water resistance ratings.
Our Verdict
Girard-Perregaux
Vintage 1945 XXL Large Date Moon Phases (rose gold, blue skeleton dial)
Choose the Girard-Perregaux Vintage 1945 XXL Large Date Moon Phases (rose gold, blue skeleton dial) if you prioritize GP03300, in-house engineering, Swiss Made craftsmanship, and 30m (3 ATM) water resistance. At $25,000+, it delivers Automatic, Girard-Perregaux calibre GP03300, 28,800 vph, 32 jewels with About 46 hours power reserve.
Check Price on AmazonSeiko
5 SNKL23
Choose the Seiko 5 SNKL23 if you value Seiko Automatic (no hand-winding, no hacking) technology, Japanese Movement heritage, and 37mm proportions. At $100–$150, the Automatic Caliber 7S26 with 41 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Girard-Perregaux Vintage 1945 XXL Large Date Moon Phases (rose gold, blue skeleton dial) and Seiko 5 SNKL23 represent two distinct approaches to the timepiece category — the Girard-Perregaux bringing Swiss Made tradition while Seiko delivers Japanese Movement 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.