Citizen Promaster Air Nighthawk vs Tissot Gentleman Powermatic 80 Silicium
Citizen's diver meets Tissot's dress watch
Quick Verdict
The Citizen Promaster Air Nighthawk ($250–$500) offers Eco-Drive Solar Quartz (No Battery Change) precision in the tier below the Tissot Gentleman Powermatic 80 Silicium ($500–$1,000). The Promaster Air Nighthawk measures 42mm and is rated 200m (20 ATM). The Gentleman Powermatic 80 Silicium counters with Swiss Made (Swatch Group) craftsmanship and 100m (10 ATM) water resistance. Both are exceptional watches for their respective tiers.
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Specifications Compared
| Feature | Citizen Promaster Air Nighthawk | Tissot Gentleman Powermatic 80 Silicium |
|---|---|---|
| Price | $250–$500 | $500–$1,000 |
| Case Size | 42mm | 40mm |
| Movement | Eco-Drive Caliber B877 | Powermatic 80.811 (Silicon Hairspring) |
| Caliber Type | Eco-Drive Solar Quartz (No Battery Change) | ETA-Based Automatic with Silicon Hairspring |
| Power Reserve | 6 Months (Solar, Full Charge) | 80 Hours |
| Water Resistance | 200m (20 ATM) | 100m (10 ATM) |
| Crystal | Mineral Glass | Sapphire Crystal |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Citizen (Japan) | Swiss Made (Swatch Group) |
Category-by-Category Analysis
Design & Aesthetics
Citizen's design language vs Tissot's approach
The Citizen Promaster Air Nighthawk features a Stainless Steel case at 42mm with Mineral Glass 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
Eco-Drive Caliber B877 vs Powermatic 80.811 (Silicon Hairspring)
The Promaster Air Nighthawk runs the Eco-Drive Caliber B877 (Eco-Drive Solar Quartz (No Battery Change), 6 Months (Solar, Full Charge) 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
42mm vs 40mm — different wrist presence
At 42mm, the Promaster Air Nighthawk has a bolder wrist presence compared to the Gentleman Powermatic 80 Silicium at 40mm. Water resistance differs: 200m (20 ATM) vs 100m (10 ATM).
Value & Cost of Ownership
Citizen sits in the lower tier
The Citizen Promaster Air Nighthawk sits at $250–$500 and the Tissot Gentleman Powermatic 80 Silicium at $500–$1,000. On the specs that outlast any price: the Promaster Air Nighthawk uses Mineral Glass with 6 Months (Solar, Full Charge), against Sapphire Crystal and 80 Hours on the Gentleman Powermatic 80 Silicium. Service intervals are typically 5-7 years for both.
Water Resistance
200m (20 ATM) vs 100m (10 ATM)
The Promaster Air Nighthawk is rated to 200m (20 ATM) while the Gentleman Powermatic 80 Silicium handles 100m (10 ATM). The Promaster Air Nighthawk is better suited for water activities.
Our Verdict
Citizen
Promaster Air Nighthawk
Choose the Citizen Promaster Air Nighthawk if you prioritize Eco-Drive Solar Quartz (No Battery Change) engineering, Citizen (Japan) craftsmanship, and 200m (20 ATM) water resistance. At $250–$500, it delivers Eco-Drive Caliber B877 with 6 Months (Solar, Full Charge) 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 Citizen Promaster Air Nighthawk and Tissot Gentleman Powermatic 80 Silicium represent two distinct approaches to fine watchmaking — the Citizen bringing Citizen (Japan) 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.