Citizen Promaster Air Nighthawk vs Rado True Square Automatic
Citizen's diver meets Rado's timepiece
Quick Verdict
The Citizen Promaster Air Nighthawk ($250–$500) offers Eco-Drive Solar Quartz (No Battery Change) precision in the tier below the Rado True Square Automatic ($1,500–$2,500). The Promaster Air Nighthawk measures 42mm and is rated 200m (20 ATM). The True Square Automatic counters with Swiss Made craftsmanship and 50m (5 ATM) water resistance. Both are exceptional watches for their respective tiers.
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Specifications Compared
| Feature | Citizen Promaster Air Nighthawk | Rado True Square Automatic |
|---|---|---|
| Price | $250–$500 | $1,500–$2,500 |
| Case Size | 42mm | 38mm (Square) |
| Movement | Eco-Drive Caliber B877 | Automatic ETA C07.611 |
| Caliber Type | Eco-Drive Solar Quartz (No Battery Change) | Powermatic 80 (ETA-Based) |
| Power Reserve | 6 Months (Solar, Full Charge) | 80 Hours |
| Water Resistance | 200m (20 ATM) | 50m (5 ATM) |
| Crystal | Mineral Glass | Sapphire (Anti-Reflective) |
| Case Material | Stainless Steel | Monobloc High-Tech Ceramic |
| Origin | Citizen (Japan) | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Citizen's design language vs Rado's approach
The Citizen Promaster Air Nighthawk features a Stainless Steel case at 42mm with Mineral Glass protection. The Rado True Square Automatic offers Monobloc High-Tech Ceramic construction at 38mm (Square) with Sapphire (Anti-Reflective). Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Eco-Drive Caliber B877 vs Automatic ETA C07.611
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 True Square Automatic uses the Automatic ETA C07.611 (Powermatic 80 (ETA-Based), 80 Hours reserve) at 21,600 vph (3 Hz). The True Square Automatic offers a longer power reserve.
Wearability & Fit
42mm vs 38mm (Square) — different wrist presence
At 42mm, the Promaster Air Nighthawk has a bolder wrist presence compared to the True Square Automatic at 38mm (Square). Water resistance differs: 200m (20 ATM) vs 50m (5 ATM).
Value & Cost of Ownership
Citizen sits in the lower tier
The Citizen Promaster Air Nighthawk sits at $250–$500 and the Rado True Square Automatic at $1,500–$2,500. On the specs that outlast any price: the Promaster Air Nighthawk uses Mineral Glass with 6 Months (Solar, Full Charge), against Sapphire (Anti-Reflective) and 80 Hours on the True Square Automatic. Service intervals are typically 5-7 years for both.
Water Resistance
200m (20 ATM) vs 50m (5 ATM)
The Promaster Air Nighthawk is rated to 200m (20 ATM) while the True Square Automatic handles 50m (5 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 AmazonRado
True Square Automatic
Choose the Rado True Square Automatic if you value Powermatic 80 (ETA-Based) technology, Swiss Made heritage, and 38mm (Square) proportions. At $1,500–$2,500, the Automatic ETA C07.611 with 80 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Citizen Promaster Air Nighthawk and Rado True Square Automatic represent two distinct approaches to fine watchmaking — the Citizen bringing Citizen (Japan) tradition while Rado delivers Swiss Made 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.

