Citizen Tsuyosa Automatic vs Invicta Pro Diver Automatic 23681
Citizen's timepiece meets Invicta's diver
Quick Verdict
The Invicta Pro Diver Automatic 23681 ($50–$100) delivers Automatic (Seiko NH35A) technology in the tier below the Citizen Tsuyosa Automatic ($250–$500). The Pro Diver Automatic 23681 measures 40mm and is rated 200m. The Tsuyosa Automatic justifies its premium with Made in Japan heritage and Automatic Caliber 8210. Both represent excellent choices in the luxury watch category.
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Specifications Compared
| Feature | Citizen Tsuyosa Automatic | Invicta Pro Diver Automatic 23681 |
|---|---|---|
| Price | $250–$500 | $50–$100 |
| Case Size | 40mm | 40mm |
| Movement | Automatic Caliber 8210 | Automatic NH35A |
| Caliber Type | Citizen/Miyota In-House Automatic | Automatic (Seiko NH35A) |
| Power Reserve | 40 Hours | — |
| Water Resistance | 50m (5 ATM) | 200m |
| Crystal | Sapphire Crystal with Cyclops | Mineral Glass |
| Case Material | Stainless Steel | — |
| Origin | Made in Japan | Invicta (Japanese movement) |
Category-by-Category Analysis
Design & Aesthetics
Citizen's design language vs Invicta's approach
The Citizen Tsuyosa Automatic features a Stainless Steel case at 40mm with Sapphire Crystal with Cyclops protection. The Invicta Pro Diver Automatic 23681 offers steel construction at 40mm with Mineral Glass. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic Caliber 8210 vs Automatic NH35A
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 Pro Diver Automatic 23681 uses the Automatic NH35A (Automatic (Seiko NH35A), standard reserve) at standard. The Tsuyosa Automatic edges ahead on power reserve.
Wearability & Fit
40mm vs 40mm — different wrist presence
At 40mm, the Tsuyosa Automatic is similarly sized compared to the Pro Diver Automatic 23681 at 40mm. Water resistance differs: 50m (5 ATM) vs 200m.
Value & Cost of Ownership
Invicta sits in the lower tier
The Citizen Tsuyosa Automatic sits at $250–$500 and the Invicta Pro Diver Automatic 23681 at $50–$100. On the specs that outlast any price: the Tsuyosa Automatic uses Sapphire Crystal with Cyclops with 40 Hours, against Mineral Glass and a standard reserve on the Pro Diver Automatic 23681. Service intervals are typically 5-7 years for both.
Water Resistance
50m (5 ATM) vs 200m
The Tsuyosa Automatic is rated to 50m (5 ATM) while the Pro Diver Automatic 23681 handles 200m. The Pro Diver Automatic 23681 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 AmazonInvicta
Pro Diver Automatic 23681
Choose the Invicta Pro Diver Automatic 23681 if you value Automatic (Seiko NH35A) technology, Invicta (Japanese movement) heritage, and 40mm proportions. At $50–$100, the Automatic NH35A with ample power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Citizen Tsuyosa Automatic and Invicta Pro Diver Automatic 23681 represent two distinct approaches to fine watchmaking — the Citizen bringing Made in Japan tradition while Invicta delivers Invicta (Japanese 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.