Updated
Breguet Classique Ultra Slim 5157BB/11/9V6 (18k white gold, silvered guilloche dial, black alligator strap) vs Tissot Le Locle Powermatic 80
Breguet's timepiece meets Tissot's dress watch
Quick Verdict
The Tissot Le Locle Powermatic 80 ($500–$1,000) delivers ETA-Based Automatic technology in the tier below the Breguet Classique Ultra Slim 5157BB/11/9V6 (18k white gold, silvered guilloche dial, black alligator strap) ($10,000–$25,000). The Le Locle Powermatic 80 measures 39.3mm and is rated 30m (3 ATM). The Classique Ultra Slim 5157BB/11/9V6 (18k white gold, silvered guilloche dial, black alligator strap) justifies its premium with Swiss Made heritage and Automatic, Breguet calibre 502.3, about 2.4mm thick, off-centre rotor. Both represent excellent choices in the luxury watch category.
Transparency — We earn a small commission on purchases made through our Amazon links. This doesn't affect our editorial independence.
Breguet
Classique Ultra Slim 5157BB/11/9V6 (18k white gold, silvered guilloche dial, black alligator strap)
$10,000–$25,000
Specifications Compared
| Feature | Breguet Classique Ultra Slim 5157BB/11/9V6 (18k white gold, silvered guilloche dial, black alligator strap) | Tissot Le Locle Powermatic 80 |
|---|---|---|
| Price | $10,000–$25,000 | $500–$1,000 |
| Case Size | 38mm, about 5.4mm thick | 39.3mm |
| Movement | Automatic, Breguet calibre 502.3, about 2.4mm thick, off-centre rotor | Powermatic 80.111 |
| Caliber Type | 502.3, automatic | ETA-Based Automatic |
| Power Reserve | About 45 hours | 80 Hours |
| Water Resistance | 30m (3 ATM) | 30m (3 ATM) |
| Crystal | Sapphire Crystal | Sapphire Crystal |
| Case Material | 18k white gold, fluted caseband, welded lugs, sapphire caseback | Stainless Steel |
| Origin | Swiss Made | Swiss Made (Swatch Group) |
Category-by-Category Analysis
Design & Aesthetics
Breguet's design language vs Tissot's approach
The Breguet Classique Ultra Slim 5157BB/11/9V6 (18k white gold, silvered guilloche dial, black alligator strap) features a 18k white gold, fluted caseband, welded lugs, sapphire caseback case at 38mm, about 5.4mm thick with Sapphire Crystal protection. The Tissot Le Locle Powermatic 80 offers Stainless Steel construction at 39.3mm with Sapphire Crystal. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic, Breguet calibre 502.3, about 2.4mm thick, off-centre rotor vs Powermatic 80.111
The Classique Ultra Slim 5157BB/11/9V6 (18k white gold, silvered guilloche dial, black alligator strap) runs the Automatic, Breguet calibre 502.3, about 2.4mm thick, off-centre rotor (502.3, automatic, About 45 hours power reserve) at standard frequency. The Le Locle Powermatic 80 uses the Powermatic 80.111 (ETA-Based Automatic, 80 Hours reserve) at 21,600 vph (3 Hz). The Le Locle Powermatic 80 offers a longer power reserve.
Wearability & Fit
38mm, about 5.4mm thick vs 39.3mm — different wrist presence
At 38mm, about 5.4mm thick, the Classique Ultra Slim 5157BB/11/9V6 (18k white gold, silvered guilloche dial, black alligator strap) wears more compactly on smaller wrists compared to the Le Locle Powermatic 80 at 39.3mm. Water resistance differs: 30m (3 ATM) vs 30m (3 ATM).
Value & Cost of Ownership
Tissot sits in the lower tier
The Breguet Classique Ultra Slim 5157BB/11/9V6 (18k white gold, silvered guilloche dial, black alligator strap) sits at $10,000–$25,000 and the Tissot Le Locle Powermatic 80 at $500–$1,000. On the specs that outlast any price: the Classique Ultra Slim 5157BB/11/9V6 (18k white gold, silvered guilloche dial, black alligator strap) uses Sapphire Crystal with About 45 hours, against Sapphire Crystal and 80 Hours on the Le Locle Powermatic 80. Service intervals are typically 5-7 years for both.
Water Resistance
30m (3 ATM) vs 30m (3 ATM)
The Classique Ultra Slim 5157BB/11/9V6 (18k white gold, silvered guilloche dial, black alligator strap) is rated to 30m (3 ATM) while the Le Locle Powermatic 80 handles 30m (3 ATM). Both offer identical water resistance ratings.
Our Verdict
Breguet
Classique Ultra Slim 5157BB/11/9V6 (18k white gold, silvered guilloche dial, black alligator strap)
Choose the Breguet Classique Ultra Slim 5157BB/11/9V6 (18k white gold, silvered guilloche dial, black alligator strap) if you prioritize 502.3, automatic engineering, Swiss Made craftsmanship, and 30m (3 ATM) water resistance. At $10,000–$25,000, it delivers Automatic, Breguet calibre 502.3, about 2.4mm thick, off-centre rotor with About 45 hours power reserve.
Check Price on AmazonTissot
Le Locle Powermatic 80
Choose the Tissot Le Locle Powermatic 80 if you value ETA-Based Automatic technology, Swiss Made (Swatch Group) heritage, and 39.3mm proportions. At $500–$1,000, the Powermatic 80.111 with 80 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Breguet Classique Ultra Slim 5157BB/11/9V6 (18k white gold, silvered guilloche dial, black alligator strap) and Tissot Le Locle Powermatic 80 represent two distinct approaches to fine watchmaking — the Breguet bringing Swiss Made tradition while Tissot delivers Swiss Made (Swatch Group) engineering.
Frequently Asked Questions
More Comparisons
Hamilton Khaki Field Mechanical vs Tissot Le Locle
Wind it yourself, or let it wind itself
Tag Heuer Carrera Chronograph vs Breguet Classique Ultra Slim 5157BB/11/9V6 (18k white gold, silvered guilloche dial, black alligator strap)
Tag Heuer's chronograph meets Breguet's timepiece
Tag Heuer Carrera Chronograph vs Tissot Le Locle Powermatic 80
Tag Heuer's chronograph meets Tissot's dress watch
Explore These Watches
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.