Breitling Navitimer B01 vs Hamilton Intra-Matic Auto Chronograph
Two chronographs compared — ~$10,900 vs ~$2,595
Quick Verdict
The Hamilton Intra-Matic Auto Chronograph (~$2,595) delivers Valjoux-Based Automatic Chronograph technology at $8,305 less than the Breitling Navitimer B01 (~$10,900). 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 | ~$10,900 | ~$2,595 |
| 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
Movement & Performance
Automatic Breitling 01 (Manufacture) vs Automatic H-31
Wearability & Fit
43mm vs 40mm — different wrist presence
Value & Cost of Ownership
Hamilton is $8,305 more affordable
Water Resistance
30m (3 ATM) vs 100m (10 ATM)
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 grade C1 or BGW9 (variant-dependent). Glow duration ~6 hours after full charge. | 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 nearly $9,000 retail 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 ~$10,900, 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 ~$2,595, 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.

