Tudor Black Bay 58 vs Casio Pro Trek PRG340-1
Tudor's diver meets Casio's timepiece
Quick Verdict
The Casio Pro Trek PRG340-1 ($150–$250) delivers Tough Solar Quartz (No Battery Change) technology in the tier below the Tudor Black Bay 58 ($2,500–$5,000). The Pro Trek PRG340-1 measures 54.7 × 51.7 × 15.1mm and is rated 100m (10 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 | Casio Pro Trek PRG340-1 |
|---|---|---|
| Price | $2,500–$5,000 | $150–$250 |
| Case Size | 39mm | 54.7 × 51.7 × 15.1mm |
| Movement | Automatic Manufacture Calibre MT5402 | Tough Solar (Solar Quartz) |
| Caliber Type | In-House Automatic Manufacture (Kenissi) | Tough Solar Quartz (No Battery Change) |
| Power Reserve | 70 Hours | Tough Solar (Rechargeable) |
| Water Resistance | 200m (20 ATM) | 100m (10 ATM) |
| Crystal | Domed Sapphire | Mineral Glass |
| Case Material | 316L Stainless Steel | Bio-Based Resin |
| Origin | Swiss Made | Casio (Japan) |
Category-by-Category Analysis
Design & Aesthetics
Tudor's design language vs Casio's approach
The Tudor Black Bay 58 features a 316L Stainless Steel case at 39mm with Domed Sapphire protection. The Casio Pro Trek PRG340-1 offers Bio-Based Resin construction at 54.7 × 51.7 × 15.1mm with Mineral Glass. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic Manufacture Calibre MT5402 vs Tough Solar (Solar Quartz)
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 Pro Trek PRG340-1 uses the Tough Solar (Solar Quartz) (Tough Solar Quartz (No Battery Change), Tough Solar (Rechargeable) reserve) at standard. The Black Bay 58 edges ahead on power reserve.
Wearability & Fit
39mm vs 54.7 × 51.7 × 15.1mm — different wrist presence
At 39mm, the Black Bay 58 wears more compactly on smaller wrists compared to the Pro Trek PRG340-1 at 54.7 × 51.7 × 15.1mm. Water resistance differs: 200m (20 ATM) vs 100m (10 ATM).
Value & Cost of Ownership
Casio sits in the lower tier
The Tudor Black Bay 58 sits at $2,500–$5,000 and the Casio Pro Trek PRG340-1 at $150–$250. On the specs that outlast any price: the Black Bay 58 uses Domed Sapphire with 70 Hours, against Mineral Glass and Tough Solar (Rechargeable) on the Pro Trek PRG340-1. Service intervals are typically 5-7 years for both.
Water Resistance
200m (20 ATM) vs 100m (10 ATM)
The Black Bay 58 is rated to 200m (20 ATM) while the Pro Trek PRG340-1 handles 100m (10 ATM). 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 AmazonCasio
Pro Trek PRG340-1
Choose the Casio Pro Trek PRG340-1 if you value Tough Solar Quartz (No Battery Change) technology, Casio (Japan) heritage, and 54.7 × 51.7 × 15.1mm proportions. At $150–$250, the Tough Solar (Solar Quartz) with Tough Solar (Rechargeable) power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Tudor Black Bay 58 and Casio Pro Trek PRG340-1 represent two distinct approaches to fine watchmaking — the Tudor bringing Swiss Made tradition while Casio delivers Casio (Japan) engineering.
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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.