Invicta Pro Diver Automatic 23681 vs Timex Marlin Automatic 40mm
Invicta's diver meets Timex's timepiece
Quick Verdict
The Invicta Pro Diver Automatic 23681 ($50–$100) offers Automatic (Seiko NH35A) precision in the tier below the Timex Marlin Automatic 40mm ($250–$500). The Pro Diver Automatic 23681 measures 40mm and is rated 200m. The Marlin Automatic 40mm counters with Made in Japan (Movement) craftsmanship and 30m (3 ATM) water resistance. Both are exceptional watches for their respective tiers.
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Specifications Compared
| Feature | Invicta Pro Diver Automatic 23681 | Timex Marlin Automatic 40mm |
|---|---|---|
| Price | $50–$100 | $250–$500 |
| Case Size | 40mm | 40mm |
| Movement | Automatic NH35A | Automatic Miyota 8205 |
| Caliber Type | Automatic (Seiko NH35A) | Miyota Automatic |
| Power Reserve | — | 40 Hours |
| Water Resistance | 200m | 30m (3 ATM) |
| Crystal | Mineral Glass | Mineral Crystal |
| Case Material | — | Stainless Steel |
| Origin | Invicta (Japanese movement) | Made in Japan (Movement) |
Category-by-Category Analysis
Design & Aesthetics
Invicta's design language vs Timex's approach
The Invicta Pro Diver Automatic 23681 features a steel case at 40mm with Mineral Glass protection. The Timex Marlin Automatic 40mm offers Stainless Steel construction at 40mm with Mineral Crystal. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic NH35A vs Automatic Miyota 8205
The Pro Diver Automatic 23681 runs the Automatic NH35A (Automatic (Seiko NH35A), standard power reserve) at standard frequency. The Marlin Automatic 40mm uses the Automatic Miyota 8205 (Miyota Automatic, 40 Hours reserve) at 21,600 vph (3 Hz). The Marlin Automatic 40mm 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 Marlin Automatic 40mm at 40mm. Water resistance differs: 200m vs 30m (3 ATM).
Value & Cost of Ownership
Invicta sits in the lower tier
The Invicta Pro Diver Automatic 23681 sits at $50–$100 and the Timex Marlin Automatic 40mm at $250–$500. On the specs that outlast any price: the Pro Diver Automatic 23681 uses Mineral Glass with a standard reserve, against Mineral Crystal and 40 Hours on the Marlin Automatic 40mm. Service intervals are typically 5-7 years for both.
Water Resistance
200m vs 30m (3 ATM)
The Pro Diver Automatic 23681 is rated to 200m while the Marlin Automatic 40mm handles 30m (3 ATM). The Pro Diver Automatic 23681 is better suited for water activities.
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 AmazonTimex
Marlin Automatic 40mm
Choose the Timex Marlin Automatic 40mm if you value Miyota Automatic technology, Made in Japan (Movement) heritage, and 40mm proportions. At $250–$500, the Automatic Miyota 8205 with 40 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Invicta Pro Diver Automatic 23681 and Timex Marlin Automatic 40mm represent two distinct approaches to fine watchmaking — the Invicta bringing Invicta (Japanese movement) tradition while Timex 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.