Head-to-Head Comparison

Bulova Lunar Pilot Chronograph vs Seiko Prospex Alpinist

Bulova's chronograph meets Seiko's diver

Quick Verdict

The Bulova Lunar Pilot Chronograph ($500–$1,000) and Seiko Prospex Alpinist ($500–$1,000) are closely matched timepieces at similar price points. The Lunar Pilot Chronograph emphasizes High-Performance Quartz engineering while the Prospex Alpinist focuses on Made in Japan craftsmanship.

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Bulova Lunar Pilot Chronograph

Bulova

Lunar Pilot Chronograph

$500–$1,000

Seiko Prospex Alpinist

Seiko

Prospex Alpinist

$500–$1,000

Specifications Compared

FeatureBulova Lunar Pilot ChronographSeiko Prospex Alpinist
Price$500–$1,000$500–$1,000
Case Size45mm39.5mm
MovementHigh-Performance 262kHz QuartzAutomatic Caliber 6R35
Caliber TypeHigh-Performance QuartzIn-House Automatic Manufacture
Power ReserveN/A (Quartz)70 Hours
Water Resistance50m (5 ATM)200m (20 ATM)
CrystalSapphire CrystalSapphire with Cyclops
Case MaterialStainless SteelStainless Steel
OriginMade in Japan (Citizen Group)Made in Japan

Category-by-Category Analysis

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Design & Aesthetics

Edge: Draw

Bulova's design language vs Seiko's approach

The Bulova Lunar Pilot Chronograph features a Stainless Steel case at 45mm with Sapphire Crystal protection. The Seiko Prospex Alpinist offers Stainless Steel construction at 39.5mm with Sapphire with Cyclops. Both represent their brand's distinct design philosophy and heritage.

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Movement & Performance

Edge: Seiko

High-Performance 262kHz Quartz vs Automatic Caliber 6R35

The Lunar Pilot Chronograph runs the High-Performance 262kHz Quartz (High-Performance Quartz, N/A (Quartz) power reserve) at 262,144 Hz (High-Frequency Quartz) frequency. The Prospex Alpinist uses the Automatic Caliber 6R35 (In-House Automatic Manufacture, 70 Hours reserve) at 21,600 vph (3 Hz). The Prospex Alpinist offers a longer power reserve.

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Wearability & Fit

Edge: Seiko

45mm vs 39.5mm — different wrist presence

At 45mm, the Lunar Pilot Chronograph has a bolder wrist presence compared to the Prospex Alpinist at 39.5mm. Water resistance differs: 50m (5 ATM) vs 200m (20 ATM).

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Value & Cost of Ownership

Edge: Draw

Same tier — different value propositions

The Bulova Lunar Pilot Chronograph sits at $500–$1,000 and the Seiko Prospex Alpinist at $500–$1,000. On the specs that outlast any price: the Lunar Pilot Chronograph uses Sapphire Crystal with N/A (Quartz), against Sapphire with Cyclops and 70 Hours on the Prospex Alpinist. Service intervals are typically 5-7 years for both.

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Water Resistance

Edge: Seiko

50m (5 ATM) vs 200m (20 ATM)

The Lunar Pilot Chronograph is rated to 50m (5 ATM) while the Prospex Alpinist handles 200m (20 ATM). The Prospex Alpinist offers superior water resistance.

Our Verdict

Bulova

Lunar Pilot Chronograph

Choose the Bulova Lunar Pilot Chronograph if you prioritize High-Performance Quartz engineering, Made in Japan (Citizen Group) craftsmanship, and 50m (5 ATM) water resistance. At $500–$1,000, it delivers High-Performance 262kHz Quartz with N/A (Quartz) power reserve.

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Seiko

Prospex Alpinist

Choose the Seiko Prospex Alpinist if you value In-House Automatic Manufacture technology, Made in Japan heritage, and 39.5mm proportions. At $500–$1,000, the Automatic Caliber 6R35 with 70 Hours power reserve makes it a compelling choice.

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The Bottom Line

The Bulova Lunar Pilot Chronograph and Seiko Prospex Alpinist represent two distinct approaches to fine watchmaking — the Bulova bringing Made in Japan (Citizen Group) tradition while Seiko delivers Made in Japan engineering.

Frequently Asked Questions

Neither is objectively better — they serve different preferences. The Bulova Lunar Pilot Chronograph ($500–$1,000) offers High-Performance 262kHz Quartz with N/A (Quartz) power reserve, while the Seiko Prospex Alpinist ($500–$1,000) features Automatic Caliber 6R35 with 200m (20 ATM) water resistance. Choose based on your priorities: Made in Japan (Citizen Group) craftsmanship vs Made in Japan engineering.
Both are priced similarly, making this a question of preference rather than value. The Lunar Pilot Chronograph emphasizes High-Performance Quartz technology while the Prospex Alpinist prioritizes In-House Automatic Manufacture precision.
Both are suitable for daily wear. The Lunar Pilot Chronograph at 45mm with 50m (5 ATM) water resistance handles everyday situations. The Prospex Alpinist at 39.5mm with 200m (20 ATM) is similarly capable. The Lunar Pilot Chronograph uses Sapphire Crystal while the Prospex Alpinist uses Sapphire with Cyclops.

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.