Breitling Navitimer B01 vs Hamilton Intra-Matic Auto Chronograph
Two chronographs compared — $10,000–$25,000 vs $2,500–$5,000
Quick Verdict
The Hamilton Intra-Matic Auto Chronograph ($2,500–$5,000) delivers Valjoux-Based Automatic Chronograph technology in the tier below the Breitling Navitimer B01 ($10,000–$25,000). The Intra-Matic Auto Chronograph measures 40mm and is rated 100m (10 ATM). The Navitimer B01 justifies its premium with Swiss Made heritage and Automatic Breitling 01 (Manufacture). Both represent excellent choices in the chronograph category.
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Specifications Compared
| Feature | Breitling Navitimer B01 | Hamilton Intra-Matic Auto Chronograph |
|---|---|---|
| Price | $10,000–$25,000 | $2,500–$5,000 |
| Case Size | 43mm | 40mm |
| Movement | Automatic Breitling 01 (Manufacture) | Automatic H-31 |
| Caliber Type | In-House Automatic Chronograph Manufacture | Valjoux-Based Automatic Chronograph |
| Power Reserve | 70 Hours | 60 Hours |
| Water Resistance | 30m (3 ATM) | 100m (10 ATM) |
| Crystal | Cambered Sapphire | Sapphire (Domed) |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Swiss Made | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Breitling's design language vs Hamilton's approach
The Breitling Navitimer B01 features a Stainless Steel case at 43mm with Cambered Sapphire protection. The Hamilton Intra-Matic Auto Chronograph offers Stainless Steel construction at 40mm with Sapphire (Domed). Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic Breitling 01 (Manufacture) vs Automatic H-31
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 Intra-Matic Auto Chronograph uses the Automatic H-31 (Valjoux-Based Automatic Chronograph, 60 Hours reserve) at 28,800 vph (4 Hz). The Navitimer B01 edges ahead on power reserve.
Wearability & Fit
43mm vs 40mm — different wrist presence
At 43mm, the Navitimer B01 has a bolder wrist presence compared to the Intra-Matic Auto Chronograph at 40mm. Water resistance differs: 30m (3 ATM) vs 100m (10 ATM).
Value & Cost of Ownership
Hamilton sits in the lower tier
The Breitling Navitimer B01 sits at $10,000–$25,000 and the Hamilton Intra-Matic Auto Chronograph at $2,500–$5,000. On the specs that outlast any price: the Navitimer B01 uses Cambered Sapphire with 70 Hours, against Sapphire (Domed) and 60 Hours on the Intra-Matic Auto Chronograph. Service intervals are typically 5-7 years for both.
Water Resistance
30m (3 ATM) vs 100m (10 ATM)
The Navitimer B01 is rated to 30m (3 ATM) while the Intra-Matic Auto Chronograph handles 100m (10 ATM). The Intra-Matic Auto Chronograph offers superior water resistance.
Materials Face-Off
| Component | Breitling Navitimer B01 | Hamilton Intra-Matic Auto Chronograph |
|---|---|---|
| Case alloy | Stainless steel 316L — the industry-standard mid-range Swiss spec. | Hamilton H-31 caliber |
| Sapphire crystal | Synthetic corundum (Al₂O₃), grown via the Verneuil process for crystal blanks then formed into the cambered (domed) shape. Mohs hardness 9. Anti-refle Mohs 9 | Domed sapphire ("box crystal" silhouette) |
| Lume specification | Super-LumiNova on the hands and markers. Grade and glow duration are not published by the manufacturer for this reference, so neither is claimed here. | Stainless steel 316L |
| Bracelet alloy | Stainless steel 316L matching the case. | — |
Cost of Ownership Compared
The Hamilton Intra-Matic Auto Chronograph saves you $7,141 over 5 years of ownership
Who Should Pick Which
Pick the Breitling Navitimer B01 if…
- Buyers wanting an in-house movement at the $9K price point
- Accuracy-minded buyers — COSC chronometer certification guarantees precision
- Weekend warriors — 70-hour power reserve means it survives two days off the wrist
- Those who prioritize scratch resistance — sapphire crystal
- Chronograph enthusiasts looking for a proven timing instrument
Pick the Hamilton Intra-Matic Auto Chronograph if…
- Active lifestyle wearers — 100m water resistance handles swimming and water sports
- Practical daily wearers — 60-hour reserve gives breathing room
- Those who prioritize scratch resistance — sapphire crystal
- Chronograph enthusiasts looking for a proven timing instrument
- Heritage enthusiasts drawn to ** Hamilton's historical pedigree
Breitling Navitimer B01
- 30m water resistance is the headline weakness. At the upper end of the $5,000–$10,000 band this is the most-criticised spec. The Navitimer is an aviation tool, not a water watch.
- Slide rule learning curve. Most owners never actually use the slide rule for in-flight calculation. Knowing how to operate it is a horological badge-of-honour, not a daily-driver feature.
- Dial visual density. The Navitimer dial is the watch's character, but it is also the most cluttered face in any luxury watch under $10k. People who want a clean dial will not love this watch.
- 43mm wears large. The 43mm case + 22mm lug width + cambered crystal pushes the visual presence above the spec. Try before you buy if you're under 6.75" wrist.
Hamilton Intra-Matic Auto Chronograph
- 14.6mm thickness honest but tall.
- Not column-wheel — cam-switching 7753 architecture.
- H-31 isn't in-house in the strict sense.
- Lume is modest.
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 AmazonHamilton
Intra-Matic Auto Chronograph
Choose the Hamilton Intra-Matic Auto Chronograph if you value Valjoux-Based Automatic Chronograph technology, Swiss Made heritage, and 40mm proportions. At $2,500–$5,000, the Automatic H-31 with 60 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Breitling Navitimer B01 and Hamilton Intra-Matic Auto Chronograph represent two distinct approaches to the chronograph category — the Breitling bringing Swiss Made tradition while Hamilton delivers Swiss Made 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.