Bulova Devil Diver Oceanographer 96B350 vs Seiko Prospex "Turtle"
Two divers compared — $500–$1,000 vs $500–$1,000
Quick Verdict
The Bulova Devil Diver Oceanographer 96B350 ($500–$1,000) and Seiko Prospex "Turtle" ($500–$1,000) are closely matched divers at similar price points. The Devil Diver Oceanographer 96B350 emphasizes Miyota Automatic engineering while the Prospex "Turtle" focuses on Made in Japan craftsmanship.
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 | Seiko Prospex "Turtle" |
|---|---|---|
| Price | $500–$1,000 | $500–$1,000 |
| Case Size | 41mm | 45mm |
| Movement | Automatic Miyota 8215 | Automatic Caliber 4R36 |
| Caliber Type | Miyota Automatic | In-House Automatic Manufacture |
| Power Reserve | 42 Hours | 41 Hours |
| Water Resistance | 200m (20 ATM) | 200m (20 ATM) Diver |
| Crystal | Sapphire Crystal | Sapphire Crystal |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Made in Japan (Movement) | Made in Japan |
Category-by-Category Analysis
Design & Aesthetics
Bulova's design language vs Seiko's approach
The Bulova Devil Diver Oceanographer 96B350 features a Stainless Steel case at 41mm with Sapphire Crystal protection. The Seiko Prospex "Turtle" offers Stainless Steel construction at 45mm with Sapphire Crystal. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic Miyota 8215 vs Automatic Caliber 4R36
The Devil Diver Oceanographer 96B350 runs the Automatic Miyota 8215 (Miyota Automatic, 42 Hours power reserve) at 21,600 vph (3 Hz) frequency. The Prospex "Turtle" uses the Automatic Caliber 4R36 (In-House Automatic Manufacture, 41 Hours reserve) at 21,600 vph (3 Hz). The Devil Diver Oceanographer 96B350 edges ahead on power reserve.
Wearability & Fit
41mm vs 45mm — different wrist presence
At 41mm, the Devil Diver Oceanographer 96B350 wears more compactly on smaller wrists compared to the Prospex "Turtle" at 45mm. Water resistance differs: 200m (20 ATM) vs 200m (20 ATM) Diver.
Value & Cost of Ownership
Same tier — different value propositions
The Bulova Devil Diver Oceanographer 96B350 sits at $500–$1,000 and the Seiko Prospex "Turtle" at $500–$1,000. On the specs that outlast any price: the Devil Diver Oceanographer 96B350 uses Sapphire Crystal with 42 Hours, against Sapphire Crystal and 41 Hours on the Prospex "Turtle". Service intervals are typically 5-7 years for both.
Water Resistance
200m (20 ATM) vs 200m (20 ATM) Diver
The Devil Diver Oceanographer 96B350 is rated to 200m (20 ATM) while the Prospex "Turtle" handles 200m (20 ATM) Diver. Both offer identical water resistance ratings.
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 AmazonSeiko
Prospex "Turtle"
Choose the Seiko Prospex "Turtle" if you value In-House Automatic Manufacture technology, Made in Japan heritage, and 45mm proportions. At $500–$1,000, the Automatic Caliber 4R36 with 41 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Bulova Devil Diver Oceanographer 96B350 and Seiko Prospex "Turtle" represent two distinct approaches to the diver category — the Bulova bringing Made in Japan (Movement) tradition while Seiko delivers Made in Japan engineering.
Frequently Asked Questions
More Comparisons
Seiko Prospex Turtle vs G-Shock CasiOak
Mechanical dive heritage vs digital indestructibility
Tag Heuer Carrera Chronograph vs Bulova Devil Diver Oceanographer 96B350
Tag Heuer's chronograph meets Bulova's diver
Tag Heuer Carrera Chronograph vs Seiko Prospex "Turtle"
Tag Heuer's chronograph meets Seiko'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.