Updated
Breguet Heritage 3660BB (18k white gold, tonneau, silver engine-turned dial) vs Tissot Gentleman Powermatic 80 Silicium
Breguet'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 Breguet Heritage 3660BB (18k white gold, tonneau, silver engine-turned dial) ($10,000–$25,000). The Gentleman Powermatic 80 Silicium measures 40mm and is rated 100m (10 ATM). The Heritage 3660BB (18k white gold, tonneau, silver engine-turned dial) justifies its premium with Swiss Made heritage and Automatic, Breguet calibre 532 (curved to the case). Both represent excellent choices in the luxury watch category.
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Breguet
Heritage 3660BB (18k white gold, tonneau, silver engine-turned dial)
$10,000–$25,000
Specifications Compared
| Feature | Breguet Heritage 3660BB (18k white gold, tonneau, silver engine-turned dial) | Tissot Gentleman Powermatic 80 Silicium |
|---|---|---|
| Price | $10,000–$25,000 | $500–$1,000 |
| Case Size | 35 x 29.6mm, curved tonneau | 40mm |
| Movement | Automatic, Breguet calibre 532 (curved to the case) | Powermatic 80.811 (Silicon Hairspring) |
| Caliber Type | Breguet 532, per Breguet for the Heritage 3660 | ETA-Based Automatic with Silicon Hairspring |
| Power Reserve | About 40 hours | 80 Hours |
| Water Resistance | 30m (3 ATM) | 100m (10 ATM) |
| Crystal | Sapphire Crystal, curved | Sapphire Crystal |
| Case Material | 18k white gold, fluted caseband | 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 Heritage 3660BB (18k white gold, tonneau, silver engine-turned dial) features a 18k white gold, fluted caseband case at 35 x 29.6mm, curved tonneau 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
Automatic, Breguet calibre 532 (curved to the case) vs Powermatic 80.811 (Silicon Hairspring)
The Heritage 3660BB (18k white gold, tonneau, silver engine-turned dial) runs the Automatic, Breguet calibre 532 (curved to the case) (Breguet 532, per Breguet for the Heritage 3660, About 40 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
35 x 29.6mm, curved tonneau vs 40mm — different wrist presence
At 35 x 29.6mm, curved tonneau, the Heritage 3660BB (18k white gold, tonneau, silver engine-turned dial) 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
Tissot sits in the lower tier
The Breguet Heritage 3660BB (18k white gold, tonneau, silver engine-turned dial) 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 Heritage 3660BB (18k white gold, tonneau, silver engine-turned dial) uses Sapphire Crystal, curved with About 40 hours, against Sapphire Crystal and 80 Hours on the Gentleman Powermatic 80 Silicium. Service intervals are typically 5-7 years for both.
Water Resistance
30m (3 ATM) vs 100m (10 ATM)
The Heritage 3660BB (18k white gold, tonneau, silver engine-turned dial) 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
Breguet
Heritage 3660BB (18k white gold, tonneau, silver engine-turned dial)
Choose the Breguet Heritage 3660BB (18k white gold, tonneau, silver engine-turned dial) if you prioritize Breguet 532, per Breguet for the Heritage 3660 engineering, Swiss Made craftsmanship, and 30m (3 ATM) water resistance. At $10,000–$25,000, it delivers Automatic, Breguet calibre 532 (curved to the case) with About 40 hours power reserve.
Check Price on AmazonTissot
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.
Check Price on AmazonThe Bottom Line
The Breguet Heritage 3660BB (18k white gold, tonneau, silver engine-turned dial) and Tissot Gentleman Powermatic 80 Silicium represent two distinct approaches to fine watchmaking — the Breguet bringing Swiss Made tradition while Tissot delivers Swiss Made (Swatch Group) 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.