Head-to-Head Comparison

Invicta Pro Diver Automatic 23681 vs Hamilton Khaki Field Automatic

Invicta's diver meets Hamilton's field watch

Quick Verdict

The Invicta Pro Diver Automatic 23681 ($50–$100) offers Automatic (Seiko NH35A) precision in the tier below the Hamilton Khaki Field Automatic ($500–$1,000). The Pro Diver Automatic 23681 measures 40mm and is rated 200m. The Khaki Field Automatic counters with Swiss Made craftsmanship and 100m (10 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

Hamilton Khaki Field Automatic

Hamilton

Khaki Field Automatic

$500–$1,000

Specifications Compared

FeatureInvicta Pro Diver Automatic 23681Hamilton Khaki Field Automatic
Price$50–$100$500–$1,000
Case Size40mm38mm
MovementAutomatic NH35AAutomatic H-10
Caliber TypeAutomatic (Seiko NH35A)Automatic (ETA C07.611 base)
Power Reserve80 Hours
Water Resistance200m100m (10 ATM)
CrystalMineral GlassSapphire Crystal
Case MaterialStainless Steel
OriginInvicta (Japanese movement)Swiss Made

Category-by-Category Analysis

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Design & Aesthetics

Edge: Draw

Invicta's design language vs Hamilton's approach

The Invicta Pro Diver Automatic 23681 features a steel case at 40mm with Mineral Glass protection. The Hamilton Khaki Field Automatic offers Stainless Steel construction at 38mm with Sapphire Crystal. Both represent their brand's distinct design philosophy and heritage.

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Movement & Performance

Edge: Hamilton

Automatic NH35A vs Automatic H-10

The Pro Diver Automatic 23681 runs the Automatic NH35A (Automatic (Seiko NH35A), standard power reserve) at standard frequency. The Khaki Field Automatic uses the Automatic H-10 (Automatic (ETA C07.611 base), 80 Hours reserve) at 21,600 vph (3 Hz). The Khaki Field Automatic offers a longer power reserve.

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Wearability & Fit

Edge: Hamilton

40mm vs 38mm — different wrist presence

At 40mm, the Pro Diver Automatic 23681 has a bolder wrist presence compared to the Khaki Field Automatic at 38mm. Water resistance differs: 200m vs 100m (10 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 Hamilton Khaki Field Automatic at $500–$1,000. On the specs that outlast any price: the Pro Diver Automatic 23681 uses Mineral Glass with a standard reserve, against Sapphire Crystal and 80 Hours on the Khaki Field Automatic. Service intervals are typically 5-7 years for both.

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Water Resistance

Edge: Invicta

200m vs 100m (10 ATM)

The Pro Diver Automatic 23681 is rated to 200m while the Khaki Field Automatic handles 100m (10 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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Hamilton

Khaki Field Automatic

Choose the Hamilton Khaki Field Automatic if you value Automatic (ETA C07.611 base) technology, Swiss Made heritage, and 38mm proportions. At $500–$1,000, the Automatic H-10 with 80 Hours power reserve makes it a compelling choice.

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The Bottom Line

The Invicta Pro Diver Automatic 23681 and Hamilton Khaki Field Automatic represent two distinct approaches to fine watchmaking — the Invicta bringing Invicta (Japanese movement) tradition while Hamilton 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 Hamilton Khaki Field Automatic ($500–$1,000) features Automatic H-10 with 100m (10 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 Hamilton Khaki Field Automatic 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 Khaki Field Automatic at 38mm with 100m (10 ATM) is similarly capable. The Pro Diver Automatic 23681 uses Mineral Glass while the Khaki Field Automatic uses Sapphire Crystal. 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.