Bulova Devil Diver Oceanographer 96B350 vs Casio F-91W
Bulova's diver meets Casio's timepiece
Quick Verdict
The Casio F-91W (Under $50) delivers Casio Digital Quartz (Battery) technology in the tier below the Bulova Devil Diver Oceanographer 96B350 ($500–$1,000). The F-91W measures 35mm and is rated 30m (Splash Resistant). 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.
Transparency — We earn a small commission on purchases made through our Amazon links. This doesn't affect our editorial independence.
Specifications Compared
| Feature | Bulova Devil Diver Oceanographer 96B350 | Casio F-91W |
|---|---|---|
| Price | $500–$1,000 | Under $50 |
| Case Size | 41mm | 35mm |
| Movement | Automatic Miyota 8215 | Quartz Module 593 |
| Caliber Type | Miyota Automatic | Casio Digital Quartz (Battery) |
| Power Reserve | 42 Hours | 7-Year Battery |
| Water Resistance | 200m (20 ATM) | 30m (Splash Resistant) |
| Crystal | Sapphire Crystal | Acrylic |
| Case Material | Stainless Steel | 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 F-91W offers Resin construction at 35mm with Acrylic. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic Miyota 8215 vs Quartz Module 593
The Devil Diver Oceanographer 96B350 runs the Automatic Miyota 8215 (Miyota Automatic, 42 Hours power reserve) at 21,600 vph (3 Hz) frequency. The F-91W uses the Quartz Module 593 (Casio Digital Quartz (Battery), 7-Year Battery reserve) at standard. The Devil Diver Oceanographer 96B350 edges ahead on power reserve.
Wearability & Fit
41mm vs 35mm — different wrist presence
At 41mm, the Devil Diver Oceanographer 96B350 has a bolder wrist presence compared to the F-91W at 35mm. Water resistance differs: 200m (20 ATM) vs 30m (Splash Resistant).
Value & Cost of Ownership
Casio sits in the lower tier
The Bulova Devil Diver Oceanographer 96B350 sits at $500–$1,000 and the Casio F-91W at Under $50. On the specs that outlast any price: the Devil Diver Oceanographer 96B350 uses Sapphire Crystal with 42 Hours, against Acrylic and 7-Year Battery on the F-91W. Service intervals are typically 5-7 years for both.
Water Resistance
200m (20 ATM) vs 30m (Splash Resistant)
The Devil Diver Oceanographer 96B350 is rated to 200m (20 ATM) while the F-91W handles 30m (Splash Resistant). 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
F-91W
Choose the Casio F-91W if you value Casio Digital Quartz (Battery) technology, Casio (Japan) heritage, and 35mm proportions. At Under $50, the Quartz Module 593 with 7-Year Battery power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Bulova Devil Diver Oceanographer 96B350 and Casio F-91W represent two distinct approaches to fine watchmaking — the Bulova bringing Made in Japan (Movement) tradition while Casio delivers Casio (Japan) engineering.
Frequently Asked Questions
More Comparisons
Tag Heuer Carrera Chronograph vs Bulova Devil Diver Oceanographer 96B350
Tag Heuer's chronograph meets Bulova's diver
Tag Heuer Carrera Chronograph vs Casio F-91W
Tag Heuer's chronograph meets Casio's timepiece
Tissot PRX Powermatic 80 vs Bulova Devil Diver Oceanographer 96B350
Tissot's timepiece meets Bulova's diver
Explore These Watches
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.