Tissot PRX Powermatic 80 vs Citizen Promaster Air Nighthawk
Tissot's timepiece meets Citizen's diver
Quick Verdict
The Citizen Promaster Air Nighthawk ($250–$500) delivers Eco-Drive Solar Quartz (No Battery Change) technology in the tier below the Tissot PRX Powermatic 80 ($500–$1,000). The Promaster Air Nighthawk measures 42mm and is rated 200m (20 ATM). The PRX Powermatic 80 justifies its premium with Swiss Made heritage and Automatic Powermatic 80.111. Both represent excellent choices in the luxury watch category.
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Specifications Compared
| Feature | Tissot PRX Powermatic 80 | Citizen Promaster Air Nighthawk |
|---|---|---|
| Price | $500–$1,000 | $250–$500 |
| Case Size | 40mm | 42mm |
| Movement | Automatic Powermatic 80.111 | Eco-Drive Caliber B877 |
| Caliber Type | In-House Automatic (ETA C07.111 base) | Eco-Drive Solar Quartz (No Battery Change) |
| Power Reserve | 80 Hours | 6 Months (Solar, Full Charge) |
| Water Resistance | 100m (10 ATM) | 200m (20 ATM) |
| Crystal | Scratch-resistant Sapphire | Mineral Glass |
| Case Material | 316L Stainless Steel | Stainless Steel |
| Origin | Swiss Made | Citizen (Japan) |
Category-by-Category Analysis
Design & Aesthetics
Tissot's design language vs Citizen's approach
The Tissot PRX Powermatic 80 features a 316L Stainless Steel case at 40mm with Scratch-resistant Sapphire protection. The Citizen Promaster Air Nighthawk offers Stainless Steel construction at 42mm with Mineral Glass. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic Powermatic 80.111 vs Eco-Drive Caliber B877
The PRX Powermatic 80 runs the Automatic Powermatic 80.111 (In-House Automatic (ETA C07.111 base), 80 Hours power reserve) at 21,600 vph (3 Hz) frequency. The Promaster Air Nighthawk uses the Eco-Drive Caliber B877 (Eco-Drive Solar Quartz (No Battery Change), 6 Months (Solar, Full Charge) reserve) at standard. The PRX Powermatic 80 edges ahead on power reserve.
Wearability & Fit
40mm vs 42mm — different wrist presence
At 40mm, the PRX Powermatic 80 wears more compactly on smaller wrists compared to the Promaster Air Nighthawk at 42mm. Water resistance differs: 100m (10 ATM) vs 200m (20 ATM).
Value & Cost of Ownership
Citizen sits in the lower tier
The Tissot PRX Powermatic 80 sits at $500–$1,000 and the Citizen Promaster Air Nighthawk at $250–$500. On the specs that outlast any price: the PRX Powermatic 80 uses Scratch-resistant Sapphire with 80 Hours, against Mineral Glass and 6 Months (Solar, Full Charge) on the Promaster Air Nighthawk. Service intervals are typically 5-7 years for both.
Water Resistance
100m (10 ATM) vs 200m (20 ATM)
The PRX Powermatic 80 is rated to 100m (10 ATM) while the Promaster Air Nighthawk handles 200m (20 ATM). The Promaster Air Nighthawk offers superior water resistance.
Our Verdict
Tissot
PRX Powermatic 80
Choose the Tissot PRX Powermatic 80 if you prioritize In-House Automatic (ETA C07.111 base) engineering, Swiss Made craftsmanship, and 100m (10 ATM) water resistance. At $500–$1,000, it delivers Automatic Powermatic 80.111 with 80 Hours power reserve.
Check Price on AmazonCitizen
Promaster Air Nighthawk
Choose the Citizen Promaster Air Nighthawk if you value Eco-Drive Solar Quartz (No Battery Change) technology, Citizen (Japan) heritage, and 42mm proportions. At $250–$500, the Eco-Drive Caliber B877 with 6 Months (Solar, Full Charge) power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Tissot PRX Powermatic 80 and Citizen Promaster Air Nighthawk represent two distinct approaches to fine watchmaking — the Tissot bringing Swiss Made tradition while Citizen delivers Citizen (Japan) 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.

