Tudor Black Bay 58 vs Invicta Pro Diver Automatic 23681
Two divers compared — $2,500–$5,000 vs $50–$100
Quick Verdict
The Invicta Pro Diver Automatic 23681 ($50–$100) delivers Automatic (Seiko NH35A) technology in the tier below the Tudor Black Bay 58 ($2,500–$5,000). The Pro Diver Automatic 23681 measures 40mm and is rated 200m. The Black Bay 58 justifies its premium with Swiss Made heritage and Automatic Manufacture Calibre MT5402. Both represent excellent choices in the diver category.
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Specifications Compared
| Feature | Tudor Black Bay 58 | Invicta Pro Diver Automatic 23681 |
|---|---|---|
| Price | $2,500–$5,000 | $50–$100 |
| Case Size | 39mm | 40mm |
| Movement | Automatic Manufacture Calibre MT5402 | Automatic NH35A |
| Caliber Type | In-House Automatic Manufacture (Kenissi) | Automatic (Seiko NH35A) |
| Power Reserve | 70 Hours | — |
| Water Resistance | 200m (20 ATM) | 200m |
| Crystal | Domed Sapphire | Mineral Glass |
| Case Material | 316L Stainless Steel | — |
| Origin | Swiss Made | Invicta (Japanese movement) |
Category-by-Category Analysis
Design & Aesthetics
Tudor's design language vs Invicta's approach
The Tudor Black Bay 58 features a 316L Stainless Steel case at 39mm with Domed Sapphire 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 Manufacture Calibre MT5402 vs Automatic NH35A
The Black Bay 58 runs the Automatic Manufacture Calibre MT5402 (In-House Automatic Manufacture (Kenissi), 70 Hours power reserve) at 28,800 vph (4 Hz) frequency. The Pro Diver Automatic 23681 uses the Automatic NH35A (Automatic (Seiko NH35A), standard reserve) at standard. The Black Bay 58 edges ahead on power reserve.
Wearability & Fit
39mm vs 40mm — different wrist presence
At 39mm, the Black Bay 58 wears more compactly on smaller wrists compared to the Pro Diver Automatic 23681 at 40mm. Water resistance differs: 200m (20 ATM) vs 200m.
Value & Cost of Ownership
Invicta sits in the lower tier
The Tudor Black Bay 58 sits at $2,500–$5,000 and the Invicta Pro Diver Automatic 23681 at $50–$100. On the specs that outlast any price: the Black Bay 58 uses Domed Sapphire with 70 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
200m (20 ATM) vs 200m
The Black Bay 58 is rated to 200m (20 ATM) while the Pro Diver Automatic 23681 handles 200m. Both offer identical water resistance ratings.
Our Verdict
Tudor
Black Bay 58
Choose the Tudor Black Bay 58 if you prioritize In-House Automatic Manufacture (Kenissi) engineering, Swiss Made craftsmanship, and 200m (20 ATM) water resistance. At $2,500–$5,000, it delivers Automatic Manufacture Calibre MT5402 with 70 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 Tudor Black Bay 58 and Invicta Pro Diver Automatic 23681 represent two distinct approaches to the diver category — the Tudor bringing Swiss Made 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.