Tudor Black Bay 58 vs Citizen Promaster Sky CB0248
Tudor's diver meets Citizen's pilot watch
Quick Verdict
The Citizen Promaster Sky CB0248 ($250–$500) delivers Citizen Eco-Drive technology in the tier below the Tudor Black Bay 58 ($2,500–$5,000). The Promaster Sky CB0248 measures 42.4mm and is rated for daily wear. 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 Sky CB0248 |
|---|---|---|
| Price | $2,500–$5,000 | $250–$500 |
| Case Size | 39mm | 42.4mm |
| Movement | Automatic Manufacture Calibre MT5402 | Eco-Drive Radio-Controlled |
| Caliber Type | In-House Automatic Manufacture (Kenissi) | Citizen Eco-Drive |
| Power Reserve | 70 Hours | — |
| Water Resistance | 200m (20 ATM) | — |
| Crystal | Domed Sapphire | — |
| Case Material | 316L Stainless Steel | Stainless Steel |
| Origin | Swiss Made | Citizen (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 Sky CB0248 offers Stainless Steel construction at 42.4mm with crystal. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic Manufacture Calibre MT5402 vs Eco-Drive Radio-Controlled
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 Sky CB0248 uses the Eco-Drive Radio-Controlled (Citizen Eco-Drive, standard reserve) at standard. The Black Bay 58 edges ahead on power reserve.
Wearability & Fit
39mm vs 42.4mm — different wrist presence
At 39mm, the Black Bay 58 wears more compactly on smaller wrists compared to the Promaster Sky CB0248 at 42.4mm. Water resistance differs: 200m (20 ATM) vs 50m.
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 Sky CB0248 at $250–$500. On the specs that outlast any price: the Black Bay 58 uses Domed Sapphire with 70 Hours, against a hardened crystal and a standard reserve on the Promaster Sky CB0248. Service intervals are typically 5-7 years for both.
Water Resistance
200m (20 ATM) vs 50m
The Black Bay 58 is rated to 200m (20 ATM) while the Promaster Sky CB0248 handles 50m. The Black Bay 58 is better suited for water activities.
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 Sky CB0248
Choose the Citizen Promaster Sky CB0248 if you value Citizen Eco-Drive technology, Citizen (Japan) heritage, and 42.4mm proportions. At $250–$500, the Eco-Drive Radio-Controlled with ample power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Tudor Black Bay 58 and Citizen Promaster Sky CB0248 represent two distinct approaches to fine watchmaking — the Tudor 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.