Head-to-Head Comparison

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.

Invicta Pro Diver Automatic 23681

Invicta

Pro Diver Automatic 23681

$50–$100

Mido Ocean Star GMT

Mido

Ocean Star GMT

$1,000–$1,500

Specifications Compared

FeatureInvicta Pro Diver Automatic 23681Mido Ocean Star GMT
Price$50–$100$1,000–$1,500
Case Size40mm44mm
MovementAutomatic NH35AAutomatic Caliber 80 (Base ETA C07.661)
Caliber TypeAutomatic (Seiko NH35A)Automatic (ETA C07.661 base)
Power Reserve80 Hours
Water Resistance200m200m (20 ATM)
CrystalMineral GlassSapphire with Double-sided AR
Case MaterialStainless Steel
OriginInvicta (Japanese movement)Swiss Made

Category-by-Category Analysis

🎨

Design & Aesthetics

Edge: Draw

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

Edge: Mido

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

Edge: Invicta

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

Edge: Invicta

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

Edge: Draw

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 Amazon

Mido

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 Amazon

The 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

Neither is objectively better — they serve different preferences. The Invicta Pro Diver Automatic 23681 ($50–$100) offers Automatic NH35A with reliable power reserve, while the Mido Ocean Star GMT ($1,000–$1,500) features Automatic Caliber 80 (Base ETA C07.661) with 200m (20 ATM) water resistance. Choose based on your priorities: Invicta (Japanese movement) craftsmanship vs Swiss Made engineering.
The Invicta Pro Diver Automatic 23681 offers better upfront value, sitting a tier lower at $50–$100. However, the Mido Ocean Star GMT may justify its premium with superior finishing, heritage, or resale value.
Both are suitable for daily wear. The Pro Diver Automatic 23681 at 40mm with 200m water resistance handles everyday situations. The Ocean Star GMT at 44mm with 200m (20 ATM) is similarly capable. The Pro Diver Automatic 23681 uses Mineral Glass while the Ocean Star GMT uses Sapphire with Double-sided AR. Sapphire resists scratches noticeably better than mineral glass.

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.