Invicta Pro Diver Automatic 23681 vs Bulova Lunar Pilot Chronograph
Invicta's diver meets Bulova's chronograph
Quick Verdict
The Invicta Pro Diver Automatic 23681 ($50–$100) offers Automatic (Seiko NH35A) precision in the tier below the Bulova Lunar Pilot Chronograph ($500–$1,000). The Pro Diver Automatic 23681 measures 40mm and is rated 200m. The Lunar Pilot Chronograph counters with Made in Japan (Citizen Group) craftsmanship and 50m (5 ATM) water resistance. Both are exceptional watches for their respective tiers.
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Specifications Compared
| Feature | Invicta Pro Diver Automatic 23681 | Bulova Lunar Pilot Chronograph |
|---|---|---|
| Price | $50–$100 | $500–$1,000 |
| Case Size | 40mm | 45mm |
| Movement | Automatic NH35A | High-Performance 262kHz Quartz |
| Caliber Type | Automatic (Seiko NH35A) | High-Performance Quartz |
| Power Reserve | — | N/A (Quartz) |
| Water Resistance | 200m | 50m (5 ATM) |
| Crystal | Mineral Glass | Sapphire Crystal |
| Case Material | — | Stainless Steel |
| Origin | Invicta (Japanese movement) | Made in Japan (Citizen Group) |
Category-by-Category Analysis
Design & Aesthetics
Invicta's design language vs Bulova's approach
The Invicta Pro Diver Automatic 23681 features a steel case at 40mm with Mineral Glass protection. The Bulova Lunar Pilot Chronograph offers Stainless Steel construction at 45mm with Sapphire Crystal. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic NH35A vs High-Performance 262kHz Quartz
The Pro Diver Automatic 23681 runs the Automatic NH35A (Automatic (Seiko NH35A), standard power reserve) at standard frequency. The Lunar Pilot Chronograph uses the High-Performance 262kHz Quartz (High-Performance Quartz, N/A (Quartz) reserve) at 262,144 Hz (High-Frequency Quartz). Power reserves are closely matched.
Wearability & Fit
40mm vs 45mm — different wrist presence
At 40mm, the Pro Diver Automatic 23681 wears more compactly on smaller wrists compared to the Lunar Pilot Chronograph at 45mm. Water resistance differs: 200m vs 50m (5 ATM).
Value & Cost of Ownership
Invicta sits in the lower tier
The Invicta Pro Diver Automatic 23681 sits at $50–$100 and the Bulova Lunar Pilot Chronograph 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 N/A (Quartz) on the Lunar Pilot Chronograph. Service intervals are typically 5-7 years for both.
Water Resistance
200m vs 50m (5 ATM)
The Pro Diver Automatic 23681 is rated to 200m while the Lunar Pilot Chronograph handles 50m (5 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.
Check Price on AmazonBulova
Lunar Pilot Chronograph
Choose the Bulova Lunar Pilot Chronograph if you value High-Performance Quartz technology, Made in Japan (Citizen Group) heritage, and 45mm proportions. At $500–$1,000, the High-Performance 262kHz Quartz with N/A (Quartz) power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Invicta Pro Diver Automatic 23681 and Bulova Lunar Pilot Chronograph represent two distinct approaches to fine watchmaking — the Invicta bringing Invicta (Japanese movement) tradition while Bulova delivers Made in Japan (Citizen Group) engineering.
Frequently Asked Questions
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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.