Updated
Breguet Classique 7137 Power Reserve Moonphase (18k yellow gold) vs Tissot Chemin des Tourelles Powermatic 80
Two dress watchs compared — $25,000+ vs $500–$1,000
Quick Verdict
The Tissot Chemin des Tourelles Powermatic 80 ($500–$1,000) delivers ETA/Tissot Automatic technology in the tier below the Breguet Classique 7137 Power Reserve Moonphase (18k yellow gold) ($25,000+). The Chemin des Tourelles Powermatic 80 measures 42.0mm and is rated 50m (5 ATM). The Classique 7137 Power Reserve Moonphase (18k yellow gold) justifies its premium with Swiss Made heritage and Automatic, Breguet Calibre 502.3 QSE1 (ultra-thin, off-centre rotor). Both represent excellent choices in the dress watch category.
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Specifications Compared
| Feature | Breguet Classique 7137 Power Reserve Moonphase (18k yellow gold) | Tissot Chemin des Tourelles Powermatic 80 |
|---|---|---|
| Price | $25,000+ | $500–$1,000 |
| Case Size | 39mm | 42.0mm |
| Movement | Automatic, Breguet Calibre 502.3 QSE1 (ultra-thin, off-centre rotor) | Automatic Powermatic 80 (Caliber 80.111) |
| Caliber Type | Breguet 502.3 QSE1, automatic, silicon escapement | ETA/Tissot Automatic |
| Power Reserve | About 45 hours, with indicator | 80 Hours |
| Water Resistance | 30m (3 ATM) | 50m (5 ATM) |
| Crystal | Sapphire Crystal, sapphire caseback | Sapphire Crystal |
| Case Material | 18k yellow gold, fluted caseband | Stainless Steel |
| Origin | Swiss Made | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Breguet's design language vs Tissot's approach
The Breguet Classique 7137 Power Reserve Moonphase (18k yellow gold) features a 18k yellow gold, fluted caseband case at 39mm with Sapphire Crystal, sapphire caseback protection. The Tissot Chemin des Tourelles Powermatic 80 offers Stainless Steel construction at 42.0mm with Sapphire Crystal. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic, Breguet Calibre 502.3 QSE1 (ultra-thin, off-centre rotor) vs Automatic Powermatic 80 (Caliber 80.111)
The Classique 7137 Power Reserve Moonphase (18k yellow gold) runs the Automatic, Breguet Calibre 502.3 QSE1 (ultra-thin, off-centre rotor) (Breguet 502.3 QSE1, automatic, silicon escapement, About 45 hours, with indicator power reserve) at standard frequency. The Chemin des Tourelles Powermatic 80 uses the Automatic Powermatic 80 (Caliber 80.111) (ETA/Tissot Automatic, 80 Hours reserve) at 21,600 vph (3 Hz). The Chemin des Tourelles Powermatic 80 offers a longer power reserve.
Wearability & Fit
39mm vs 42.0mm — different wrist presence
At 39mm, the Classique 7137 Power Reserve Moonphase (18k yellow gold) wears more compactly on smaller wrists compared to the Chemin des Tourelles Powermatic 80 at 42.0mm. Water resistance differs: 30m (3 ATM) vs 50m (5 ATM).
Value & Cost of Ownership
Tissot sits in the lower tier
The Breguet Classique 7137 Power Reserve Moonphase (18k yellow gold) sits at $25,000+ and the Tissot Chemin des Tourelles Powermatic 80 at $500–$1,000. On the specs that outlast any price: the Classique 7137 Power Reserve Moonphase (18k yellow gold) uses Sapphire Crystal, sapphire caseback with About 45 hours, with indicator, against Sapphire Crystal and 80 Hours on the Chemin des Tourelles Powermatic 80. Service intervals are typically 5-7 years for both.
Water Resistance
30m (3 ATM) vs 50m (5 ATM)
The Classique 7137 Power Reserve Moonphase (18k yellow gold) is rated to 30m (3 ATM) while the Chemin des Tourelles Powermatic 80 handles 50m (5 ATM). The Chemin des Tourelles Powermatic 80 offers superior water resistance.
Our Verdict
Breguet
Classique 7137 Power Reserve Moonphase (18k yellow gold)
Choose the Breguet Classique 7137 Power Reserve Moonphase (18k yellow gold) if you prioritize Breguet 502.3 QSE1, automatic, silicon escapement engineering, Swiss Made craftsmanship, and 30m (3 ATM) water resistance. At $25,000+, it delivers Automatic, Breguet Calibre 502.3 QSE1 (ultra-thin, off-centre rotor) with About 45 hours, with indicator power reserve.
Check Price on AmazonTissot
Chemin des Tourelles Powermatic 80
Choose the Tissot Chemin des Tourelles Powermatic 80 if you value ETA/Tissot Automatic technology, Swiss Made heritage, and 42.0mm proportions. At $500–$1,000, the Automatic Powermatic 80 (Caliber 80.111) with 80 Hours power reserve makes it a compelling choice.
View the dossierThe Bottom Line
The Breguet Classique 7137 Power Reserve Moonphase (18k yellow gold) and Tissot Chemin des Tourelles Powermatic 80 represent two distinct approaches to the dress watch category — the Breguet bringing Swiss Made tradition while Tissot 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.