Head-to-Head Comparison

Invicta Pro Diver Automatic 23681 vs Seiko 5 SNKL23

Invicta's diver meets Seiko's timepiece

Quick Verdict

The Invicta Pro Diver Automatic 23681 ($50–$100) offers Automatic (Seiko NH35A) precision in the tier below the Seiko 5 SNKL23 ($100–$150). The Pro Diver Automatic 23681 measures 40mm and is rated 200m. The 5 SNKL23 counters with Japanese Movement craftsmanship and 30m (3 ATM) water resistance. Both are exceptional watches for their respective tiers.

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Invicta Pro Diver Automatic 23681

Invicta

Pro Diver Automatic 23681

$50–$100

Seiko 5 SNKL23

Seiko

5 SNKL23

$100–$150

Specifications Compared

FeatureInvicta Pro Diver Automatic 23681Seiko 5 SNKL23
Price$50–$100$100–$150
Case Size40mm37mm
MovementAutomatic NH35AAutomatic Caliber 7S26
Caliber TypeAutomatic (Seiko NH35A)Seiko Automatic (no hand-winding, no hacking)
Power Reserve41 Hours
Water Resistance200m30m (3 ATM)
CrystalMineral GlassHardlex Crystal
Case MaterialStainless Steel
OriginInvicta (Japanese movement)Japanese Movement

Category-by-Category Analysis

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Design & Aesthetics

Edge: Draw

Invicta's design language vs Seiko's approach

The Invicta Pro Diver Automatic 23681 features a steel case at 40mm with Mineral Glass protection. The Seiko 5 SNKL23 offers Stainless Steel construction at 37mm with Hardlex Crystal. Both represent their brand's distinct design philosophy and heritage.

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Movement & Performance

Edge: Seiko

Automatic NH35A vs Automatic Caliber 7S26

The Pro Diver Automatic 23681 runs the Automatic NH35A (Automatic (Seiko NH35A), standard power reserve) at standard frequency. The 5 SNKL23 uses the Automatic Caliber 7S26 (Seiko Automatic (no hand-winding, no hacking), 41 Hours reserve) at 21,600 vph (3 Hz). The 5 SNKL23 offers a longer power reserve.

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Wearability & Fit

Edge: Seiko

40mm vs 37mm — different wrist presence

At 40mm, the Pro Diver Automatic 23681 has a bolder wrist presence compared to the 5 SNKL23 at 37mm. Water resistance differs: 200m vs 30m (3 ATM).

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Value & Cost of Ownership

Edge: Invicta

Invicta sits in the lower tier

The Invicta Pro Diver Automatic 23681 sits at $50–$100 and the Seiko 5 SNKL23 at $100–$150. On the specs that outlast any price: the Pro Diver Automatic 23681 uses Mineral Glass with a standard reserve, against Hardlex Crystal and 41 Hours on the 5 SNKL23. Service intervals are typically 5-7 years for both.

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Water Resistance

Edge: Invicta

200m vs 30m (3 ATM)

The Pro Diver Automatic 23681 is rated to 200m while the 5 SNKL23 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.

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Seiko

5 SNKL23

Choose the Seiko 5 SNKL23 if you value Seiko Automatic (no hand-winding, no hacking) technology, Japanese Movement heritage, and 37mm proportions. At $100–$150, the Automatic Caliber 7S26 with 41 Hours power reserve makes it a compelling choice.

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The Bottom Line

The Invicta Pro Diver Automatic 23681 and Seiko 5 SNKL23 represent two distinct approaches to fine watchmaking — the Invicta bringing Invicta (Japanese movement) tradition while Seiko delivers Japanese Movement 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 Seiko 5 SNKL23 ($100–$150) features Automatic Caliber 7S26 with 30m (3 ATM) water resistance. Choose based on your priorities: Invicta (Japanese movement) craftsmanship vs Japanese Movement engineering.
The Invicta Pro Diver Automatic 23681 offers better upfront value, sitting a tier lower at $50–$100. However, the Seiko 5 SNKL23 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 5 SNKL23 at 37mm with 30m (3 ATM) is similarly capable. The Pro Diver Automatic 23681 uses Mineral Glass while the 5 SNKL23 uses Hardlex Crystal.

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.