Invicta Pro Diver Automatic 23681 vs Tissot Seastar 1000 Automatic
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 Tissot Seastar 1000 Automatic ($500–$1,000). The Pro Diver Automatic 23681 measures 40mm and is rated 200m. The Seastar 1000 Automatic counters with Swiss Made craftsmanship and 300m (30 ATM) water resistance. Both are exceptional divers for their respective tiers.
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Specifications Compared
| Feature | Invicta Pro Diver Automatic 23681 | Tissot Seastar 1000 Automatic |
|---|---|---|
| Price | $50–$100 | $500–$1,000 |
| Case Size | 40mm | 40mm |
| Movement | Automatic NH35A | Automatic Powermatic 80 (Caliber 80.111) |
| Caliber Type | Automatic (Seiko NH35A) | ETA/Tissot Automatic |
| Power Reserve | — | 80 Hours |
| Water Resistance | 200m | 300m (30 ATM) |
| Crystal | Mineral Glass | Sapphire Crystal |
| Case Material | — | Stainless Steel |
| Origin | Invicta (Japanese movement) | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Invicta's design language vs Tissot's approach
The Invicta Pro Diver Automatic 23681 features a steel case at 40mm with Mineral Glass protection. The Tissot Seastar 1000 Automatic offers Stainless Steel construction at 40mm with Sapphire Crystal. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic NH35A vs Automatic Powermatic 80 (Caliber 80.111)
The Pro Diver Automatic 23681 runs the Automatic NH35A (Automatic (Seiko NH35A), standard power reserve) at standard frequency. The Seastar 1000 Automatic uses the Automatic Powermatic 80 (Caliber 80.111) (ETA/Tissot Automatic, 80 Hours reserve) at 21,600 vph (3 Hz). The Seastar 1000 Automatic offers a longer power reserve.
Wearability & Fit
40mm vs 40mm — different wrist presence
At 40mm, the Pro Diver Automatic 23681 is similarly sized compared to the Seastar 1000 Automatic at 40mm. Water resistance differs: 200m vs 300m (30 ATM).
Value & Cost of Ownership
Invicta sits in the lower tier
The Invicta Pro Diver Automatic 23681 sits at $50–$100 and the Tissot Seastar 1000 Automatic 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 Crystal and 80 Hours on the Seastar 1000 Automatic. Service intervals are typically 5-7 years for both.
Water Resistance
200m vs 300m (30 ATM)
The Pro Diver Automatic 23681 is rated to 200m while the Seastar 1000 Automatic handles 300m (30 ATM). The Seastar 1000 Automatic offers superior water resistance.
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 AmazonTissot
Seastar 1000 Automatic
Choose the Tissot Seastar 1000 Automatic if you value ETA/Tissot Automatic technology, Swiss Made heritage, and 40mm proportions. At $500–$1,000, the Automatic Powermatic 80 (Caliber 80.111) with 80 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Invicta Pro Diver Automatic 23681 and Tissot Seastar 1000 Automatic represent two distinct approaches to the diver category — the Invicta bringing Invicta (Japanese movement) tradition while Tissot delivers Swiss Made 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.

