Bulova Devil Diver Oceanographer 96B350 vs Casio Pro Trek PRG340-1
Bulova'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 Bulova Devil Diver Oceanographer 96B350 ($500–$1,000). The Pro Trek PRG340-1 measures 54.7 × 51.7 × 15.1mm and is rated 100m (10 ATM). The Devil Diver Oceanographer 96B350 justifies its premium with Made in Japan (Movement) heritage and Automatic Miyota 8215. Both represent excellent choices in the luxury watch category.
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Specifications Compared
| Feature | Bulova Devil Diver Oceanographer 96B350 | Casio Pro Trek PRG340-1 |
|---|---|---|
| Price | $500–$1,000 | $150–$250 |
| Case Size | 41mm | 54.7 × 51.7 × 15.1mm |
| Movement | Automatic Miyota 8215 | Tough Solar (Solar Quartz) |
| Caliber Type | Miyota Automatic | Tough Solar Quartz (No Battery Change) |
| Power Reserve | 42 Hours | Tough Solar (Rechargeable) |
| Water Resistance | 200m (20 ATM) | 100m (10 ATM) |
| Crystal | Sapphire Crystal | Mineral Glass |
| Case Material | Stainless Steel | Bio-Based Resin |
| Origin | Made in Japan (Movement) | Casio (Japan) |
Category-by-Category Analysis
Design & Aesthetics
Bulova's design language vs Casio's approach
The Bulova Devil Diver Oceanographer 96B350 features a Stainless Steel case at 41mm with Sapphire Crystal 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 Miyota 8215 vs Tough Solar (Solar Quartz)
The Devil Diver Oceanographer 96B350 runs the Automatic Miyota 8215 (Miyota Automatic, 42 Hours power reserve) at 21,600 vph (3 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 Devil Diver Oceanographer 96B350 edges ahead on power reserve.
Wearability & Fit
41mm vs 54.7 × 51.7 × 15.1mm — different wrist presence
At 41mm, the Devil Diver Oceanographer 96B350 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 Bulova Devil Diver Oceanographer 96B350 sits at $500–$1,000 and the Casio Pro Trek PRG340-1 at $150–$250. On the specs that outlast any price: the Devil Diver Oceanographer 96B350 uses Sapphire Crystal with 42 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 Devil Diver Oceanographer 96B350 is rated to 200m (20 ATM) while the Pro Trek PRG340-1 handles 100m (10 ATM). The Devil Diver Oceanographer 96B350 is better suited for water activities.
Our Verdict
Bulova
Devil Diver Oceanographer 96B350
Choose the Bulova Devil Diver Oceanographer 96B350 if you prioritize Miyota Automatic engineering, Made in Japan (Movement) craftsmanship, and 200m (20 ATM) water resistance. At $500–$1,000, it delivers Automatic Miyota 8215 with 42 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 Bulova Devil Diver Oceanographer 96B350 and Casio Pro Trek PRG340-1 represent two distinct approaches to fine watchmaking — the Bulova bringing Made in Japan (Movement) tradition while Casio delivers Casio (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.