Invicta Pro Diver Automatic 23681 vs Seiko Prospex Sea Solar SNE597
Two divers compared — $50–$100 vs $500–$1,000
Quick Verdict
The Invicta Pro Diver Automatic 23681 ($50–$100) offers Automatic (Seiko NH35A) precision in the tier below the Seiko Prospex Sea Solar SNE597 ($500–$1,000). The Pro Diver Automatic 23681 measures 40mm and is rated 200m. The Prospex Sea Solar SNE597 counters with Seiko (Japan) craftsmanship and 200m Diver water resistance. Both are exceptional divers for their respective tiers.
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Specifications Compared
| Feature | Invicta Pro Diver Automatic 23681 | Seiko Prospex Sea Solar SNE597 |
|---|---|---|
| Price | $50–$100 | $500–$1,000 |
| Case Size | 40mm | 41.0mm (48.8mm lug-to-lug, 11.3mm thick) |
| Movement | Automatic NH35A | Solar Quartz |
| Caliber Type | Automatic (Seiko NH35A) | Seiko Solar Quartz |
| Power Reserve | — | — |
| Water Resistance | 200m | 200m Diver |
| Crystal | Mineral Glass | Sapphire |
| Case Material | — | — |
| Origin | Invicta (Japanese movement) | Seiko (Japan) |
Category-by-Category Analysis
Design & Aesthetics
Invicta's design language vs Seiko's approach
The Invicta Pro Diver Automatic 23681 features a steel case at 40mm with Mineral Glass protection. The Seiko Prospex Sea Solar SNE597 offers steel construction at 41.0mm (48.8mm lug-to-lug, 11.3mm thick) with Sapphire. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic NH35A vs Solar Quartz
The Pro Diver Automatic 23681 runs the Automatic NH35A (Automatic (Seiko NH35A), standard power reserve) at standard frequency. The Prospex Sea Solar SNE597 uses the Solar Quartz (Seiko Solar Quartz, standard reserve) at standard. Power reserves are closely matched.
Wearability & Fit
40mm vs 41.0mm (48.8mm lug-to-lug, 11.3mm thick) — different wrist presence
At 40mm, the Pro Diver Automatic 23681 wears more compactly on smaller wrists compared to the Prospex Sea Solar SNE597 at 41.0mm (48.8mm lug-to-lug, 11.3mm thick). Water resistance differs: 200m vs 200m Diver.
Value & Cost of Ownership
Invicta sits in the lower tier
The Invicta Pro Diver Automatic 23681 sits at $50–$100 and the Seiko Prospex Sea Solar SNE597 at $500–$1,000. On the specs that outlast any price: the Pro Diver Automatic 23681 uses Mineral Glass with a standard reserve, against Sapphire and a standard reserve on the Prospex Sea Solar SNE597. Service intervals are typically 5-7 years for both.
Water Resistance
200m vs 200m Diver
The Pro Diver Automatic 23681 is rated to 200m while the Prospex Sea Solar SNE597 handles 200m Diver. Both offer identical water resistance ratings.
Our Verdict
Invicta
Pro Diver Automatic 23681
Choose the Invicta Pro Diver Automatic 23681 if you prioritize Automatic (Seiko NH35A) engineering, Invicta (Japanese movement) craftsmanship, and 200m water resistance. At $50–$100, it delivers Automatic NH35A with solid power reserve.
Check Price on AmazonSeiko
Prospex Sea Solar SNE597
Choose the Seiko Prospex Sea Solar SNE597 if you value Seiko Solar Quartz technology, Seiko (Japan) heritage, and 41.0mm (48.8mm lug-to-lug, 11.3mm thick) proportions. At $500–$1,000, the Solar Quartz with ample power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Invicta Pro Diver Automatic 23681 and Seiko Prospex Sea Solar SNE597 represent two distinct approaches to the diver category — the Invicta bringing Invicta (Japanese movement) tradition while Seiko delivers Seiko (Japan) 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.