Invicta Pro Diver Automatic 23681 vs Mido Ocean Star GMT
Two divers compared — $50–$100 vs $1,000–$1,500
Quick Verdict
The Invicta Pro Diver Automatic 23681 ($50–$100) offers Automatic (Seiko NH35A) precision in the tier below the Mido Ocean Star GMT ($1,000–$1,500). The Pro Diver Automatic 23681 measures 40mm and is rated 200m. The Ocean Star GMT counters with Swiss Made craftsmanship and 200m (20 ATM) water resistance. Both are exceptional divers for their respective tiers.
Transparency — We earn a small commission on purchases made through our Amazon links. This doesn't affect our editorial independence.
Specifications Compared
| Feature | Invicta Pro Diver Automatic 23681 | Mido Ocean Star GMT |
|---|---|---|
| Price | $50–$100 | $1,000–$1,500 |
| Case Size | 40mm | 44mm |
| Movement | Automatic NH35A | Automatic Caliber 80 (Base ETA C07.661) |
| Caliber Type | Automatic (Seiko NH35A) | Automatic (ETA C07.661 base) |
| Power Reserve | — | 80 Hours |
| Water Resistance | 200m | 200m (20 ATM) |
| Crystal | Mineral Glass | Sapphire with Double-sided AR |
| Case Material | — | Stainless Steel |
| Origin | Invicta (Japanese movement) | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Invicta's design language vs Mido's approach
The Invicta Pro Diver Automatic 23681 features a steel case at 40mm with Mineral Glass protection. The Mido Ocean Star GMT offers Stainless Steel construction at 44mm with Sapphire with Double-sided AR. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic NH35A vs Automatic Caliber 80 (Base ETA C07.661)
The Pro Diver Automatic 23681 runs the Automatic NH35A (Automatic (Seiko NH35A), standard power reserve) at standard frequency. The Ocean Star GMT uses the Automatic Caliber 80 (Base ETA C07.661) (Automatic (ETA C07.661 base), 80 Hours reserve) at 21,600 vph (3 Hz). The Ocean Star GMT offers a longer power reserve.
Wearability & Fit
40mm vs 44mm — different wrist presence
At 40mm, the Pro Diver Automatic 23681 wears more compactly on smaller wrists compared to the Ocean Star GMT at 44mm. Water resistance differs: 200m vs 200m (20 ATM).
Value & Cost of Ownership
Invicta sits in the lower tier
The Invicta Pro Diver Automatic 23681 sits at $50–$100 and the Mido Ocean Star GMT at $1,000–$1,500. On the specs that outlast any price: the Pro Diver Automatic 23681 uses Mineral Glass with a standard reserve, against Sapphire with Double-sided AR and 80 Hours on the Ocean Star GMT. Service intervals are typically 5-7 years for both.
Water Resistance
200m vs 200m (20 ATM)
The Pro Diver Automatic 23681 is rated to 200m while the Ocean Star GMT handles 200m (20 ATM). 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 AmazonMido
Ocean Star GMT
Choose the Mido Ocean Star GMT if you value Automatic (ETA C07.661 base) technology, Swiss Made heritage, and 44mm proportions. At $1,000–$1,500, the Automatic Caliber 80 (Base ETA C07.661) with 80 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Invicta Pro Diver Automatic 23681 and Mido Ocean Star GMT represent two distinct approaches to the diver category — the Invicta bringing Invicta (Japanese movement) tradition while Mido delivers Swiss Made engineering.
Frequently Asked Questions
More Comparisons
Tag Heuer Carrera Chronograph vs Invicta Pro Diver Automatic 23681
Tag Heuer's chronograph meets Invicta's diver
Tag Heuer Carrera Chronograph vs Mido Ocean Star GMT
Tag Heuer's chronograph meets Mido's diver
Tissot PRX Powermatic 80 vs Invicta Pro Diver Automatic 23681
Tissot's timepiece meets Invicta's diver
Explore These Watches
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.

