Citizen Tsuyosa Automatic vs Bulova Devil Diver Oceanographer 96B350
Citizen's timepiece meets Bulova's diver
Quick Verdict
The Citizen Tsuyosa Automatic ($250–$500) offers Citizen/Miyota In-House Automatic precision in the tier below the Bulova Devil Diver Oceanographer 96B350 ($500–$1,000). The Tsuyosa Automatic measures 40mm and is rated 50m (5 ATM). The Devil Diver Oceanographer 96B350 counters with Made in Japan (Movement) craftsmanship and 200m (20 ATM) water resistance. Both are exceptional watches for their respective tiers.
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Specifications Compared
| Feature | Citizen Tsuyosa Automatic | Bulova Devil Diver Oceanographer 96B350 |
|---|---|---|
| Price | $250–$500 | $500–$1,000 |
| Case Size | 40mm | 41mm |
| Movement | Automatic Caliber 8210 | Automatic Miyota 8215 |
| Caliber Type | Citizen/Miyota In-House Automatic | Miyota Automatic |
| Power Reserve | 40 Hours | 42 Hours |
| Water Resistance | 50m (5 ATM) | 200m (20 ATM) |
| Crystal | Sapphire Crystal with Cyclops | Sapphire Crystal |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Made in Japan | Made in Japan (Movement) |
Category-by-Category Analysis
Design & Aesthetics
Citizen's design language vs Bulova's approach
The Citizen Tsuyosa Automatic features a Stainless Steel case at 40mm with Sapphire Crystal with Cyclops protection. The Bulova Devil Diver Oceanographer 96B350 offers Stainless Steel construction at 41mm with Sapphire Crystal. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic Caliber 8210 vs Automatic Miyota 8215
The Tsuyosa Automatic runs the Automatic Caliber 8210 (Citizen/Miyota In-House Automatic, 40 Hours power reserve) at 21,600 vph (3 Hz) frequency. The Devil Diver Oceanographer 96B350 uses the Automatic Miyota 8215 (Miyota Automatic, 42 Hours reserve) at 21,600 vph (3 Hz). The Devil Diver Oceanographer 96B350 offers a longer power reserve.
Wearability & Fit
40mm vs 41mm — different wrist presence
At 40mm, the Tsuyosa Automatic wears more compactly on smaller wrists compared to the Devil Diver Oceanographer 96B350 at 41mm. Water resistance differs: 50m (5 ATM) vs 200m (20 ATM).
Value & Cost of Ownership
Citizen sits in the lower tier
The Citizen Tsuyosa Automatic sits at $250–$500 and the Bulova Devil Diver Oceanographer 96B350 at $500–$1,000. On the specs that outlast any price: the Tsuyosa Automatic uses Sapphire Crystal with Cyclops with 40 Hours, against Sapphire Crystal and 42 Hours on the Devil Diver Oceanographer 96B350. Service intervals are typically 5-7 years for both.
Water Resistance
50m (5 ATM) vs 200m (20 ATM)
The Tsuyosa Automatic is rated to 50m (5 ATM) while the Devil Diver Oceanographer 96B350 handles 200m (20 ATM). The Devil Diver Oceanographer 96B350 offers superior water resistance.
Our Verdict
Citizen
Tsuyosa Automatic
Choose the Citizen Tsuyosa Automatic if you prioritize Citizen/Miyota In-House Automatic engineering, Made in Japan craftsmanship, and 50m (5 ATM) water resistance. At $250–$500, it delivers Automatic Caliber 8210 with 40 Hours power reserve.
Check Price on AmazonBulova
Devil Diver Oceanographer 96B350
Choose the Bulova Devil Diver Oceanographer 96B350 if you value Miyota Automatic technology, Made in Japan (Movement) heritage, and 41mm proportions. At $500–$1,000, the Automatic Miyota 8215 with 42 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Citizen Tsuyosa Automatic and Bulova Devil Diver Oceanographer 96B350 represent two distinct approaches to fine watchmaking — the Citizen bringing Made in Japan tradition while Bulova delivers Made in Japan (Movement) 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.

