Breitling Navitimer B01 vs Hamilton Khaki Field Mechanical 38mm
Breitling's chronograph meets Hamilton's field watch
Quick Verdict
The Hamilton Khaki Field Mechanical 38mm ($500–$1,000) delivers Hamilton/ETA Hand-Wound technology in the tier below the Breitling Navitimer B01 ($10,000–$25,000). The Khaki Field Mechanical 38mm measures 38mm and is rated 50m (5 ATM). The Navitimer B01 justifies its premium with Swiss Made heritage and Automatic Breitling 01 (Manufacture). Both represent excellent choices in the luxury watch category.
Transparency — We earn a small commission on purchases made through our Amazon links. This doesn't affect our editorial independence.
Specifications Compared
| Feature | Breitling Navitimer B01 | Hamilton Khaki Field Mechanical 38mm |
|---|---|---|
| Price | $10,000–$25,000 | $500–$1,000 |
| Case Size | 43mm | 38mm |
| Movement | Automatic Breitling 01 (Manufacture) | Hand-Wound H-50 (ETA 2801-2 base) |
| Caliber Type | In-House Automatic Chronograph Manufacture | Hamilton/ETA Hand-Wound |
| Power Reserve | 70 Hours | 80 Hours |
| Water Resistance | 30m (3 ATM) | 50m (5 ATM) |
| Crystal | Cambered Sapphire | Sapphire Crystal |
| 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 Khaki Field Mechanical 38mm offers Stainless Steel construction at 38mm with Sapphire Crystal. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic Breitling 01 (Manufacture) vs Hand-Wound H-50 (ETA 2801-2 base)
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 Khaki Field Mechanical 38mm uses the Hand-Wound H-50 (ETA 2801-2 base) (Hamilton/ETA Hand-Wound, 80 Hours reserve) at 21,600 vph (3 Hz). The Khaki Field Mechanical 38mm offers a longer power reserve.
Wearability & Fit
43mm vs 38mm — different wrist presence
At 43mm, the Navitimer B01 has a bolder wrist presence compared to the Khaki Field Mechanical 38mm at 38mm. Water resistance differs: 30m (3 ATM) vs 50m (5 ATM).
Value & Cost of Ownership
Hamilton sits in the lower tier
The Breitling Navitimer B01 sits at $10,000–$25,000 and the Hamilton Khaki Field Mechanical 38mm at $500–$1,000. On the specs that outlast any price: the Navitimer B01 uses Cambered Sapphire with 70 Hours, against Sapphire Crystal and 80 Hours on the Khaki Field Mechanical 38mm. Service intervals are typically 5-7 years for both.
Water Resistance
30m (3 ATM) vs 50m (5 ATM)
The Navitimer B01 is rated to 30m (3 ATM) while the Khaki Field Mechanical 38mm handles 50m (5 ATM). The Khaki Field Mechanical 38mm offers superior water resistance.
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
Khaki Field Mechanical 38mm
Choose the Hamilton Khaki Field Mechanical 38mm if you value Hamilton/ETA Hand-Wound technology, Swiss Made heritage, and 38mm proportions. At $500–$1,000, the Hand-Wound H-50 (ETA 2801-2 base) with 80 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Breitling Navitimer B01 and Hamilton Khaki Field Mechanical 38mm represent two distinct approaches to fine watchmaking — the Breitling bringing Swiss Made tradition while Hamilton delivers Swiss Made engineering.
Frequently Asked Questions
More Comparisons
Explore These Watches
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.

