Updated
Bulova Devil Diver vs Seiko Turtle
Two 1970s-revival 200m divers
Quick Verdict
The Bulova Devil Diver 96B350 and the Seiko Prospex Turtle SRPE05 are both 200m automatic divers with sapphire crystals in the $500–$1,000 band, and both revive 1970s designs. The Devil Diver is 41mm with a Miyota 8215 and a 42-hour reserve. The Turtle is 45mm with Seiko's 4R36, a day-date and a 41-hour reserve. The Bulova is smaller; the Turtle shows the day.
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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
Two 1970s revivals
Both bring back 1970s dive watches. The Devil Diver is a 41mm cushion case on a rubber strap. The Turtle is a 45mm cushion case that has become one of Seiko's signatures. Both are statement divers.
Movement & Performance
Miyota 8215 against Seiko 4R36
The Bulova runs the Miyota 8215, 21 jewels, 42-hour reserve, with a date. The Seiko runs the 4R36, 24 jewels, 41-hour reserve, with a day-date. Both run at 21,600 vph. Close to a tie.
Durability & Water Resistance
Both 200m with sapphire
Both are rated to 200m (20 ATM) and both list sapphire crystals.
Wearability & Fit
The Bulova is 4mm smaller
The Devil Diver is 41mm and the Turtle is 45mm. The Bulova suits more wrists.
Value & Cost of Ownership
Same band
Both sit in the $500–$1,000 band. Choose on size and style.
Our Verdict
Bulova
Devil Diver Oceanographer 96B350
Choose the Bulova Devil Diver if you want a smaller case and a more unusual retro look. At 41mm it fits more wrists.
Check Price on AmazonSeiko
Prospex "Turtle"
Choose the Seiko Turtle if you want the more familiar cushion case and a day-date. It is the bigger watch at 45mm.
Check Price on AmazonThe Bottom Line
The Bulova Devil Diver 96B350 and the Seiko Prospex Turtle SRPE05 are both 1970s-inspired 200m automatic dive watches with sapphire crystals in the $500 to $1,000 band; the Devil Diver is 41mm with a Miyota 8215, while the Turtle is 45mm with a Seiko 4R36 and a day-date.
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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.