Head-to-Head Comparison

Omega Speedmaster Professional vs Invicta Pro Diver Automatic 23681

Omega's chronograph meets Invicta's diver

Quick Verdict

The Invicta Pro Diver Automatic 23681 ($50–$100) delivers Automatic (Seiko NH35A) technology in the tier below the Omega Speedmaster Professional ($5,000–$10,000). The Pro Diver Automatic 23681 measures 40mm and is rated 200m. The Speedmaster Professional justifies its premium with Swiss Made heritage and Manual-Winding Caliber 3861. Both represent excellent choices in the luxury watch category.

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Omega Speedmaster Professional

Omega

Speedmaster Professional

$5,000–$10,000

Invicta Pro Diver Automatic 23681

Invicta

Pro Diver Automatic 23681

$50–$100

Specifications Compared

FeatureOmega Speedmaster ProfessionalInvicta Pro Diver Automatic 23681
Price$5,000–$10,000$50–$100
Case Size42mm40mm
MovementManual-Winding Caliber 3861Automatic NH35A
Caliber TypeIn-House Manual-Winding Manufacture (Co-Axial)Automatic (Seiko NH35A)
Power Reserve50 Hours
Water Resistance50m (5 ATM)200m
CrystalHesalite or SapphireMineral Glass
Case MaterialStainless Steel
OriginSwiss MadeInvicta (Japanese movement)

Category-by-Category Analysis

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Design & Aesthetics

Edge: Draw

Omega's design language vs Invicta's approach

The Omega Speedmaster Professional features a Stainless Steel case at 42mm with Hesalite or Sapphire protection. The Invicta Pro Diver Automatic 23681 offers steel construction at 40mm with Mineral Glass. Both represent their brand's distinct design philosophy and heritage.

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Movement & Performance

Edge: Omega

Manual-Winding Caliber 3861 vs Automatic NH35A

The Speedmaster Professional runs the Manual-Winding Caliber 3861 (In-House Manual-Winding Manufacture (Co-Axial), 50 Hours power reserve) at 21,600 vph (3 Hz) frequency. The Pro Diver Automatic 23681 uses the Automatic NH35A (Automatic (Seiko NH35A), standard reserve) at standard. The Speedmaster Professional edges ahead on power reserve.

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Wearability & Fit

Edge: Invicta

42mm vs 40mm — different wrist presence

At 42mm, the Speedmaster Professional has a bolder wrist presence compared to the Pro Diver Automatic 23681 at 40mm. Water resistance differs: 50m (5 ATM) vs 200m.

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Value & Cost of Ownership

Edge: Invicta

Invicta sits in the lower tier

The Omega Speedmaster Professional sits at $5,000–$10,000 and the Invicta Pro Diver Automatic 23681 at $50–$100. On the specs that outlast any price: the Speedmaster Professional uses Hesalite or Sapphire with 50 Hours, against Mineral Glass and a standard reserve on the Pro Diver Automatic 23681. Service intervals are typically 5-7 years for both.

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Water Resistance

Edge: Invicta

50m (5 ATM) vs 200m

The Speedmaster Professional is rated to 50m (5 ATM) while the Pro Diver Automatic 23681 handles 200m. The Pro Diver Automatic 23681 offers superior water resistance.

Our Verdict

Omega

Speedmaster Professional

Choose the Omega Speedmaster Professional if you prioritize In-House Manual-Winding Manufacture (Co-Axial) engineering, Swiss Made craftsmanship, and 50m (5 ATM) water resistance. At $5,000–$10,000, it delivers Manual-Winding Caliber 3861 with 50 Hours power reserve.

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Invicta

Pro Diver Automatic 23681

Choose the Invicta Pro Diver Automatic 23681 if you value Automatic (Seiko NH35A) technology, Invicta (Japanese movement) heritage, and 40mm proportions. At $50–$100, the Automatic NH35A with ample power reserve makes it a compelling choice.

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The Bottom Line

The Omega Speedmaster Professional and Invicta Pro Diver Automatic 23681 represent two distinct approaches to fine watchmaking — the Omega bringing Swiss Made tradition while Invicta delivers Invicta (Japanese movement) engineering.

Frequently Asked Questions

Neither is objectively better — they serve different preferences. The Omega Speedmaster Professional ($5,000–$10,000) offers Manual-Winding Caliber 3861 with 50 Hours power reserve, while the Invicta Pro Diver Automatic 23681 ($50–$100) features Automatic NH35A with 200m water resistance. Choose based on your priorities: Swiss Made craftsmanship vs Invicta (Japanese movement) engineering.
The Invicta Pro Diver Automatic 23681 offers better upfront value, sitting a tier lower at $50–$100. However, the Omega Speedmaster Professional may justify its premium with superior finishing, heritage, or resale value.
Both are suitable for daily wear. The Speedmaster Professional at 42mm with 50m (5 ATM) water resistance handles everyday situations. The Pro Diver Automatic 23681 at 40mm with 200m is similarly capable. The Speedmaster Professional uses Hesalite or Sapphire while the Pro Diver Automatic 23681 uses Mineral Glass. 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.