Head-to-Head Comparison

Updated September 5, 2026

Girard-Perregaux Vintage 1945 XXL Large Date Moon Phases skeleton 25882-21-223-BF6A (black DLC steel, smoked openworked dial, alligator strap) vs Tissot Gentleman Powermatic 80 Silicium

Girard-Perregaux's timepiece meets Tissot's dress watch

Quick Verdict

The Tissot Gentleman Powermatic 80 Silicium ($500–$1,000) delivers ETA-Based Automatic with Silicon Hairspring technology in the tier below the Girard-Perregaux Vintage 1945 XXL Large Date Moon Phases skeleton 25882-21-223-BF6A (black DLC steel, smoked openworked dial, alligator strap) ($10,000–$25,000). The Gentleman Powermatic 80 Silicium measures 40mm and is rated 100m (10 ATM). The Vintage 1945 XXL Large Date Moon Phases skeleton 25882-21-223-BF6A (black DLC steel, smoked openworked dial, alligator strap) justifies its premium with Swiss Made heritage and Automatic, Girard-Perregaux calibre GP03300-0105, openworked. Both represent excellent choices in the luxury watch category.

Girard-PerregauxVintage 1945 XXL Large Date Moon Phases skeleton 25882-21-223-BF6A (black DLC steel, smoked openworked dial, alligator strap)$10,000–$25,000 Check price TissotGentleman Powermatic 80 Silicium$500–$1,000 Check price

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Girard-Perregaux

Vintage 1945 XXL Large Date Moon Phases skeleton 25882-21-223-BF6A (black DLC steel, smoked openworked dial, alligator strap)

$10,000–$25,000

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Tissot

Gentleman Powermatic 80 Silicium

$500–$1,000

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Specifications Compared

Feature	Girard-Perregaux Vintage 1945 XXL Large Date Moon Phases skeleton 25882-21-223-BF6A (black DLC steel, smoked openworked dial, alligator strap)	Tissot Gentleman Powermatic 80 Silicium
Price	$10,000–$25,000	$500–$1,000
Case Size	About 36.1 x 35.25mm, curved rectangle	40mm
Movement	Automatic, Girard-Perregaux calibre GP03300-0105, openworked	Powermatic 80.811 (Silicon Hairspring)
Caliber Type	GP03300, automatic	ETA-Based Automatic with Silicon Hairspring
Power Reserve	About 46 hours	80 Hours
Water Resistance	30m (3 ATM)	100m (10 ATM)
Crystal	Sapphire Crystal, curved	Sapphire Crystal
Case Material	Stainless steel with black DLC coating, sapphire caseback	Stainless Steel
Origin	Swiss Made	Swiss Made (Swatch Group)

Category-by-Category Analysis

🎨

Design & Aesthetics

Edge: Draw

Girard-Perregaux's design language vs Tissot's approach

The Girard-Perregaux Vintage 1945 XXL Large Date Moon Phases skeleton 25882-21-223-BF6A (black DLC steel, smoked openworked dial, alligator strap) features a Stainless steel with black DLC coating, sapphire caseback case at About 36.1 x 35.25mm, curved rectangle with Sapphire Crystal, curved protection. The Tissot Gentleman Powermatic 80 Silicium offers Stainless Steel construction at 40mm with Sapphire Crystal. Both represent their brand's distinct design philosophy and heritage.

⚙️

Movement & Performance

Edge: Tissot

Automatic, Girard-Perregaux calibre GP03300-0105, openworked vs Powermatic 80.811 (Silicon Hairspring)

The Vintage 1945 XXL Large Date Moon Phases skeleton 25882-21-223-BF6A (black DLC steel, smoked openworked dial, alligator strap) runs the Automatic, Girard-Perregaux calibre GP03300-0105, openworked (GP03300, automatic, About 46 hours power reserve) at standard frequency. The Gentleman Powermatic 80 Silicium uses the Powermatic 80.811 (Silicon Hairspring) (ETA-Based Automatic with Silicon Hairspring, 80 Hours reserve) at 21,600 vph (3 Hz). The Gentleman Powermatic 80 Silicium offers a longer power reserve.

📏

Wearability & Fit

Edge: Girard-Perregaux

About 36.1 x 35.25mm, curved rectangle vs 40mm — different wrist presence

At About 36.1 x 35.25mm, curved rectangle, the Vintage 1945 XXL Large Date Moon Phases skeleton 25882-21-223-BF6A (black DLC steel, smoked openworked dial, alligator strap) wears more compactly on smaller wrists compared to the Gentleman Powermatic 80 Silicium at 40mm. Water resistance differs: 30m (3 ATM) vs 100m (10 ATM).

💰

Value & Cost of Ownership

Edge: Tissot

Tissot sits in the lower tier

The Girard-Perregaux Vintage 1945 XXL Large Date Moon Phases skeleton 25882-21-223-BF6A (black DLC steel, smoked openworked dial, alligator strap) sits at $10,000–$25,000 and the Tissot Gentleman Powermatic 80 Silicium at $500–$1,000. On the specs that outlast any price: the Vintage 1945 XXL Large Date Moon Phases skeleton 25882-21-223-BF6A (black DLC steel, smoked openworked dial, alligator strap) uses Sapphire Crystal, curved with About 46 hours, against Sapphire Crystal and 80 Hours on the Gentleman Powermatic 80 Silicium. Service intervals are typically 5-7 years for both.

💧

Water Resistance

Edge: Tissot

30m (3 ATM) vs 100m (10 ATM)

The Vintage 1945 XXL Large Date Moon Phases skeleton 25882-21-223-BF6A (black DLC steel, smoked openworked dial, alligator strap) is rated to 30m (3 ATM) while the Gentleman Powermatic 80 Silicium handles 100m (10 ATM). The Gentleman Powermatic 80 Silicium offers superior water resistance.

Our Verdict

Girard-Perregaux

Vintage 1945 XXL Large Date Moon Phases skeleton 25882-21-223-BF6A (black DLC steel, smoked openworked dial, alligator strap)

Choose the Girard-Perregaux Vintage 1945 XXL Large Date Moon Phases skeleton 25882-21-223-BF6A (black DLC steel, smoked openworked dial, alligator strap) if you prioritize GP03300, automatic engineering, Swiss Made craftsmanship, and 30m (3 ATM) water resistance. At $10,000–$25,000, it delivers Automatic, Girard-Perregaux calibre GP03300-0105, openworked with About 46 hours power reserve.

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Tissot

Gentleman Powermatic 80 Silicium

Choose the Tissot Gentleman Powermatic 80 Silicium if you value ETA-Based Automatic with Silicon Hairspring technology, Swiss Made (Swatch Group) heritage, and 40mm proportions. At $500–$1,000, the Powermatic 80.811 (Silicon Hairspring) with 80 Hours power reserve makes it a compelling choice.

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The Bottom Line

The Girard-Perregaux Vintage 1945 XXL Large Date Moon Phases skeleton 25882-21-223-BF6A (black DLC steel, smoked openworked dial, alligator strap) and Tissot Gentleman Powermatic 80 Silicium represent two distinct approaches to fine watchmaking — the Girard-Perregaux bringing Swiss Made tradition while Tissot delivers Swiss Made (Swatch Group) engineering.

Frequently Asked Questions

For water, the Tissot Gentleman Powermatic 80 Silicium 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 Tissot Gentleman Powermatic 80 Silicium sits a band lower ($500–$1,000 against $10,000–$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 Tissot Gentleman Powermatic 80 Silicium offers better upfront value, sitting a tier lower at $500–$1,000. However, the Girard-Perregaux Vintage 1945 XXL Large Date Moon Phases skeleton 25882-21-223-BF6A (black DLC steel, smoked openworked dial, alligator strap) may justify its premium with superior finishing, heritage, or resale value.

Both are suitable for daily wear. The Vintage 1945 XXL Large Date Moon Phases skeleton 25882-21-223-BF6A (black DLC steel, smoked openworked dial, alligator strap) at About 36.1 x 35.25mm, curved rectangle with 30m (3 ATM) water resistance handles everyday situations. The Gentleman Powermatic 80 Silicium at 40mm with 100m (10 ATM) is similarly capable. The Vintage 1945 XXL Large Date Moon Phases skeleton 25882-21-223-BF6A (black DLC steel, smoked openworked dial, alligator strap) uses Sapphire Crystal, curved while the Gentleman Powermatic 80 Silicium uses Sapphire Crystal.

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Girard-Perregaux Vintage 1945 XXL Large Date Moon Phases skeleton 25882-21-223-BF6A (black DLC steel, smoked openworked dial, alligator strap) — Full Review Tissot Gentleman Powermatic 80 Silicium — 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.