Tudor Black Bay 58 vs Citizen Promaster Skyhawk A-T
Tudor's diver meets Citizen's chronograph
Quick Verdict
The Citizen Promaster Skyhawk A-T ($500–$1,000) delivers Citizen Eco-Drive U680 (Solar + Radio-Controlled) technology in the tier below the Tudor Black Bay 58 ($2,500–$5,000). The Promaster Skyhawk A-T measures 45mm and is rated 200m (20 ATM). The Black Bay 58 justifies its premium with Swiss Made heritage and Automatic Manufacture Calibre MT5402. Both represent excellent choices in the luxury watch category.
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Specifications Compared
| Feature | Tudor Black Bay 58 | Citizen Promaster Skyhawk A-T |
|---|---|---|
| Price | $2,500–$5,000 | $500–$1,000 |
| Case Size | 39mm | 45mm |
| Movement | Automatic Manufacture Calibre MT5402 | Eco-Drive (Radio-Controlled, Atomic Timekeeping) |
| Caliber Type | In-House Automatic Manufacture (Kenissi) | Citizen Eco-Drive U680 (Solar + Radio-Controlled) |
| Power Reserve | 70 Hours | — |
| Water Resistance | 200m (20 ATM) | 200m (20 ATM) |
| Crystal | Domed Sapphire | Sapphire Crystal |
| Case Material | 316L Stainless Steel | Stainless Steel (Black Ion-Plated) |
| Origin | Swiss Made | Made in Japan |
Category-by-Category Analysis
Design & Aesthetics
Tudor's design language vs Citizen's approach
The Tudor Black Bay 58 features a 316L Stainless Steel case at 39mm with Domed Sapphire protection. The Citizen Promaster Skyhawk A-T offers Stainless Steel (Black Ion-Plated) construction at 45mm with Sapphire Crystal. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic Manufacture Calibre MT5402 vs Eco-Drive (Radio-Controlled, Atomic Timekeeping)
The Black Bay 58 runs the Automatic Manufacture Calibre MT5402 (In-House Automatic Manufacture (Kenissi), 70 Hours power reserve) at 28,800 vph (4 Hz) frequency. The Promaster Skyhawk A-T uses the Eco-Drive (Radio-Controlled, Atomic Timekeeping) (Citizen Eco-Drive U680 (Solar + Radio-Controlled), standard reserve) at standard. The Black Bay 58 edges ahead on power reserve.
Wearability & Fit
39mm vs 45mm — different wrist presence
At 39mm, the Black Bay 58 wears more compactly on smaller wrists compared to the Promaster Skyhawk A-T at 45mm. Water resistance differs: 200m (20 ATM) vs 200m (20 ATM).
Value & Cost of Ownership
Citizen sits in the lower tier
The Tudor Black Bay 58 sits at $2,500–$5,000 and the Citizen Promaster Skyhawk A-T at $500–$1,000. On the specs that outlast any price: the Black Bay 58 uses Domed Sapphire with 70 Hours, against Sapphire Crystal and a standard reserve on the Promaster Skyhawk A-T. Service intervals are typically 5-7 years for both.
Water Resistance
200m (20 ATM) vs 200m (20 ATM)
The Black Bay 58 is rated to 200m (20 ATM) while the Promaster Skyhawk A-T handles 200m (20 ATM). Both offer identical water resistance ratings.
Our Verdict
Tudor
Black Bay 58
Choose the Tudor Black Bay 58 if you prioritize In-House Automatic Manufacture (Kenissi) engineering, Swiss Made craftsmanship, and 200m (20 ATM) water resistance. At $2,500–$5,000, it delivers Automatic Manufacture Calibre MT5402 with 70 Hours power reserve.
Check Price on AmazonCitizen
Promaster Skyhawk A-T
Choose the Citizen Promaster Skyhawk A-T if you value Citizen Eco-Drive U680 (Solar + Radio-Controlled) technology, Made in Japan heritage, and 45mm proportions. At $500–$1,000, the Eco-Drive (Radio-Controlled, Atomic Timekeeping) with ample power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Tudor Black Bay 58 and Citizen Promaster Skyhawk A-T represent two distinct approaches to fine watchmaking — the Tudor bringing Swiss Made tradition while Citizen delivers Made in 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.