Head-to-Head Comparison

Invicta Pro Diver Automatic 23681 vs Longines Master Collection Moonphase

Invicta's diver meets Longines's dress watch

Quick Verdict

The Invicta Pro Diver Automatic 23681 ($50–$100) offers Automatic (Seiko NH35A) precision in the tier below the Longines Master Collection Moonphase ($2,500–$5,000). The Pro Diver Automatic 23681 measures 40mm and is rated 200m. The Master Collection Moonphase counters with Swiss Made 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

Longines Master Collection Moonphase

Longines

Master Collection Moonphase

$2,500–$5,000

Specifications Compared

FeatureInvicta Pro Diver Automatic 23681Longines Master Collection Moonphase
Price$50–$100$2,500–$5,000
Case Size40mm40mm
MovementAutomatic NH35AAutomatic Caliber L899
Caliber TypeAutomatic (Seiko NH35A)Automatic (ETA A31.L91 base)
Power Reserve72 Hours
Water Resistance200m30m (3 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 Longines's approach

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

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Movement & Performance

Edge: Longines

Automatic NH35A vs Automatic Caliber L899

The Pro Diver Automatic 23681 runs the Automatic NH35A (Automatic (Seiko NH35A), standard power reserve) at standard frequency. The Master Collection Moonphase uses the Automatic Caliber L899 (Automatic (ETA A31.L91 base), 72 Hours reserve) at 25,200 vph (3.5 Hz). The Master Collection Moonphase offers a longer power reserve.

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Wearability & Fit

Edge: Draw

40mm vs 40mm — different wrist presence

At 40mm, the Pro Diver Automatic 23681 is similarly sized compared to the Master Collection Moonphase at 40mm. 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 Longines Master Collection Moonphase at $2,500–$5,000. On the specs that outlast any price: the Pro Diver Automatic 23681 uses Mineral Glass with a standard reserve, against Sapphire Crystal and 72 Hours on the Master Collection Moonphase. 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 Master Collection Moonphase 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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Longines

Master Collection Moonphase

Choose the Longines Master Collection Moonphase if you value Automatic (ETA A31.L91 base) technology, Swiss Made heritage, and 40mm proportions. At $2,500–$5,000, the Automatic Caliber L899 with 72 Hours power reserve makes it a compelling choice.

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The Bottom Line

The Invicta Pro Diver Automatic 23681 and Longines Master Collection Moonphase represent two distinct approaches to fine watchmaking — the Invicta bringing Invicta (Japanese movement) tradition while Longines 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 Longines Master Collection Moonphase ($2,500–$5,000) features Automatic Caliber L899 with 30m (3 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 Longines Master Collection Moonphase 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 Master Collection Moonphase at 40mm with 30m (3 ATM) is similarly capable. The Pro Diver Automatic 23681 uses Mineral Glass while the Master Collection Moonphase 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.