Head-to-Head Comparison

Breitling Navitimer B01 vs Casio F-91W

Breitling's chronograph meets Casio's timepiece

Quick Verdict

The Casio F-91W (Under $50) delivers Casio Digital Quartz (Battery) technology in the tier below the Breitling Navitimer B01 ($10,000–$25,000). The F-91W measures 35mm and is rated 30m (Splash Resistant). The Navitimer B01 justifies its premium with Swiss Made heritage and Automatic Breitling 01 (Manufacture). Both represent excellent choices in the luxury watch category.

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Breitling Navitimer B01

Breitling

Navitimer B01

$10,000–$25,000

Casio F-91W

Casio

F-91W

Under $50

Specifications Compared

FeatureBreitling Navitimer B01Casio F-91W
Price$10,000–$25,000Under $50
Case Size43mm35mm
MovementAutomatic Breitling 01 (Manufacture)Quartz Module 593
Caliber TypeIn-House Automatic Chronograph ManufactureCasio Digital Quartz (Battery)
Power Reserve70 Hours7-Year Battery
Water Resistance30m (3 ATM)30m (Splash Resistant)
CrystalCambered SapphireAcrylic
Case MaterialStainless SteelResin
OriginSwiss MadeCasio (Japan)

Category-by-Category Analysis

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Design & Aesthetics

Edge: Draw

Breitling's design language vs Casio's approach

The Breitling Navitimer B01 features a Stainless Steel case at 43mm with Cambered Sapphire protection. The Casio F-91W offers Resin construction at 35mm with Acrylic. Both represent their brand's distinct design philosophy and heritage.

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Movement & Performance

Edge: Breitling

Automatic Breitling 01 (Manufacture) vs Quartz Module 593

The Navitimer B01 runs the Automatic Breitling 01 (Manufacture) (In-House Automatic Chronograph Manufacture, 70 Hours power reserve) at 28,800 vph (4 Hz) frequency. The F-91W uses the Quartz Module 593 (Casio Digital Quartz (Battery), 7-Year Battery reserve) at standard. The Navitimer B01 edges ahead on power reserve.

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Wearability & Fit

Edge: Casio

43mm vs 35mm — different wrist presence

At 43mm, the Navitimer B01 has a bolder wrist presence compared to the F-91W at 35mm. Water resistance differs: 30m (3 ATM) vs 30m (Splash Resistant).

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Value & Cost of Ownership

Edge: Casio

Casio sits in the lower tier

The Breitling Navitimer B01 sits at $10,000–$25,000 and the Casio F-91W at Under $50. On the specs that outlast any price: the Navitimer B01 uses Cambered Sapphire with 70 Hours, against Acrylic and 7-Year Battery on the F-91W. Service intervals are typically 5-7 years for both.

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Water Resistance

Edge: Draw

30m (3 ATM) vs 30m (Splash Resistant)

The Navitimer B01 is rated to 30m (3 ATM) while the F-91W handles 30m (Splash Resistant). Both offer identical water resistance ratings.

Our Verdict

Breitling

Navitimer B01

Choose the Breitling Navitimer B01 if you prioritize In-House Automatic Chronograph Manufacture engineering, Swiss Made craftsmanship, and 30m (3 ATM) water resistance. At $10,000–$25,000, it delivers Automatic Breitling 01 (Manufacture) with 70 Hours power reserve.

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Casio

F-91W

Choose the Casio F-91W if you value Casio Digital Quartz (Battery) technology, Casio (Japan) heritage, and 35mm proportions. At Under $50, the Quartz Module 593 with 7-Year Battery power reserve makes it a compelling choice.

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The Bottom Line

The Breitling Navitimer B01 and Casio F-91W represent two distinct approaches to fine watchmaking — the Breitling bringing Swiss Made tradition while Casio delivers Casio (Japan) engineering.

Frequently Asked Questions

Neither is objectively better — they serve different preferences. The Breitling Navitimer B01 ($10,000–$25,000) offers Automatic Breitling 01 (Manufacture) with 70 Hours power reserve, while the Casio F-91W (Under $50) features Quartz Module 593 with 30m (Splash Resistant) water resistance. Choose based on your priorities: Swiss Made craftsmanship vs Casio (Japan) engineering.
The Casio F-91W offers better upfront value, sitting a tier lower at Under $50. However, the Breitling Navitimer B01 may justify its premium with superior finishing, heritage, or resale value.
Both are suitable for daily wear. The Navitimer B01 at 43mm with 30m (3 ATM) water resistance handles everyday situations. The F-91W at 35mm with 30m (Splash Resistant) is similarly capable. The Navitimer B01 uses Cambered Sapphire while the F-91W uses Acrylic. Sapphire resists scratches noticeably better than acrylic.

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.