Longines Master Collection Moonphase vs Tissot Gentleman Powermatic 80 Silicium
Two dress watchs compared — $2,500–$5,000 vs $500–$1,000
Quick Verdict
The Tissot Gentleman Powermatic 80 Silicium ($500–$1,000) delivers ETA-Based Automatic with Silicon Hairspring technology in the tier below the Longines Master Collection Moonphase ($2,500–$5,000). The Gentleman Powermatic 80 Silicium measures 40mm and is rated 100m (10 ATM). The Master Collection Moonphase justifies its premium with Swiss Made heritage and Automatic Caliber L899. Both represent excellent choices in the dress watch category.
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Specifications Compared
| Feature | Longines Master Collection Moonphase | Tissot Gentleman Powermatic 80 Silicium |
|---|---|---|
| Price | $2,500–$5,000 | $500–$1,000 |
| Case Size | 40mm | 40mm |
| Movement | Automatic Caliber L899 | Powermatic 80.811 (Silicon Hairspring) |
| Caliber Type | Automatic (ETA A31.L91 base) | ETA-Based Automatic with Silicon Hairspring |
| Power Reserve | 72 Hours | 80 Hours |
| Water Resistance | 30m (3 ATM) | 100m (10 ATM) |
| Crystal | Sapphire Crystal | Sapphire Crystal |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Swiss Made | Swiss Made (Swatch Group) |
Category-by-Category Analysis
Design & Aesthetics
Longines's design language vs Tissot's approach
The Longines Master Collection Moonphase features a Stainless Steel case at 40mm with Sapphire Crystal 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 Caliber L899 vs Powermatic 80.811 (Silicon Hairspring)
The Master Collection Moonphase runs the Automatic Caliber L899 (Automatic (ETA A31.L91 base), 72 Hours power reserve) at 25,200 vph (3.5 Hz) 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
40mm vs 40mm — different wrist presence
At 40mm, the Master Collection Moonphase is similarly sized 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 Longines Master Collection Moonphase sits at $2,500–$5,000 and the Tissot Gentleman Powermatic 80 Silicium at $500–$1,000. On the specs that outlast any price: the Master Collection Moonphase uses Sapphire Crystal with 72 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 Master Collection Moonphase 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
Longines
Master Collection Moonphase
Choose the Longines Master Collection Moonphase if you prioritize Automatic (ETA A31.L91 base) engineering, Swiss Made craftsmanship, and 30m (3 ATM) water resistance. At $2,500–$5,000, it delivers Automatic Caliber L899 with 72 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 Longines Master Collection Moonphase and Tissot Gentleman Powermatic 80 Silicium represent two distinct approaches to the dress watch category — the Longines 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.