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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Specifications Compared
| Feature | Breitling Navitimer B01 | Casio F-91W |
|---|---|---|
| Price | $10,000–$25,000 | Under $50 |
| Case Size | 43mm | 35mm |
| Movement | Automatic Breitling 01 (Manufacture) | Quartz Module 593 |
| Caliber Type | In-House Automatic Chronograph Manufacture | Casio Digital Quartz (Battery) |
| Power Reserve | 70 Hours | 7-Year Battery |
| Water Resistance | 30m (3 ATM) | 30m (Splash Resistant) |
| Crystal | Cambered Sapphire | Acrylic |
| Case Material | Stainless Steel | Resin |
| Origin | Swiss Made | Casio (Japan) |
Category-by-Category Analysis
Design & Aesthetics
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.
Movement & Performance
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.
Wearability & Fit
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).
Value & Cost of Ownership
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.
Water Resistance
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.
Check Price on AmazonCasio
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.
Check Price on AmazonThe 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
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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.

