Head-to-Head Comparison

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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Tissot PRX Powermatic 80

Tissot

PRX Powermatic 80

$500–$1,000

Citizen Promaster Air Nighthawk

Citizen

Promaster Air Nighthawk

$250–$500

Specifications Compared

FeatureTissot PRX Powermatic 80Citizen Promaster Air Nighthawk
Price$500–$1,000$250–$500
Case Size40mm42mm
MovementAutomatic Powermatic 80.111Eco-Drive Caliber B877
Caliber TypeIn-House Automatic (ETA C07.111 base)Eco-Drive Solar Quartz (No Battery Change)
Power Reserve80 Hours6 Months (Solar, Full Charge)
Water Resistance100m (10 ATM)200m (20 ATM)
CrystalScratch-resistant SapphireMineral Glass
Case Material316L Stainless SteelStainless Steel
OriginSwiss MadeCitizen (Japan)

Category-by-Category Analysis

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Design & Aesthetics

Edge: Draw

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.

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Movement & Performance

Edge: Tissot

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.

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Wearability & Fit

Edge: Tissot

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).

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Value & Cost of Ownership

Edge: Citizen

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.

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Water Resistance

Edge: Citizen

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.

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Citizen

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.

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The 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

Neither is objectively better — they serve different preferences. The Tissot PRX Powermatic 80 ($500–$1,000) offers Automatic Powermatic 80.111 with 80 Hours power reserve, while the Citizen Promaster Air Nighthawk ($250–$500) features Eco-Drive Caliber B877 with 200m (20 ATM) water resistance. Choose based on your priorities: Swiss Made craftsmanship vs Citizen (Japan) engineering.
The Citizen Promaster Air Nighthawk offers better upfront value, sitting a tier lower at $250–$500. However, the Tissot PRX Powermatic 80 may justify its premium with superior finishing, heritage, or resale value.
Both are suitable for daily wear. The PRX Powermatic 80 at 40mm with 100m (10 ATM) water resistance handles everyday situations. The Promaster Air Nighthawk at 42mm with 200m (20 ATM) is similarly capable. The PRX Powermatic 80 uses Scratch-resistant Sapphire while the Promaster Air Nighthawk uses Mineral Glass. Sapphire resists scratches noticeably better than mineral glass.

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.