Breitling Chronomat B01 42
AB0134101B1A1
- Case
- 42mm
- MSRP
- $9,550
- Movement
- Automatic
- Reserve
- 70h
VS
Building 1v1 comparison
Building 1v1 comparison
1v1 Watch Comparison
A focused side-by-side page for specs, fit, movement details, review notes, and enthusiast context.
AB0134101B1A1
310.30.42.50.01.004
Pair Review
Built from the saved specs and wearability notes for these two watches, then weighed against enthusiast priorities like fit, movement quality, practicality, finishing, value, and collector appeal.
Where it wins
Buyers who want automatic winding, a longer power reserve, and a more practical daily sports watch.
Where it wins
Collectors who want the most iconic, historically grounded chronograph identity.
The Omega uses the manual-wind Omega 3861, with 50 hours of power reserve, 26 jewels, a 3 Hz frequency, METAS certification, and 15,000 gauss magnetic resistance. That gives it a strong technical profile, especially for anti-magnetism and chronograph pedigree, but it requires hand-winding and has a shorter reserve than the Breitling. The Breitling uses the automatic Breitling B01 manufacture caliber with 47 jewels, 28,800 vph, and a 70-hour power reserve; it is the more convenient movement for daily wear and offers a longer reserve plus a highly regarded in-house chronograph architecture. Performance and accuracy claims are not listed for either beyond Omega’s METAS certification. Long-term, both present strong enthusiast credibility, but the Omega wins on certified anti-magnetic spec and the Breitling wins on convenience and reserve. Winner: Tie
Both watches share a 42 mm diameter, but the Omega is substantially easier to wear thanks to its 13.54 mm thickness, 47.5 mm lug-to-lug, and 142 g weight. The pre-existing wearability notes also describe it as wearing closer to a compact 40 mm sports chronograph, helped by the twisted-lug case and the refined bracelet with a comfort setting and micro-adjustment. The Breitling is much larger on the wrist at 15.1 mm thick, 50.5 mm lug-to-lug, and 198 g, so it has more presence and a more substantial feel. Its wearability note says it can still be comfortable for a 42 mm watch, but it is clearly the heavier, bolder option with a more dominant wrist profile. For comfort, slimmer profile, and broader wrist accessibility, Omega is the better fit. Winner: Omega Speedmaster Moonwatch Professional
The Omega offers a high-contrast black-and-white reverse-panda dial, Super-LumiNova, a sapphire crystal with internal anti-reflective treatment, and a 50 m water resistance rating. It is chronograph-focused and highly legible, but it is less versatile in water and more tailored to classic sports-watch wear than rough use. The Breitling adds a date display, 200 m water resistance, a screw-locked crown, glareproofed cambered sapphire, and a unidirectional ratcheted bezel, which make it more practical for mixed daily use, travel, and active wear. However, dial/lume specifics are not listed for the Breitling, so its legibility can’t be assessed as directly from the provided data. The Omega wins on dial distinction and listed lume, while the Breitling wins on water resistance, crown security, and all-around utility. For everyday practicality overall, the Breitling has the edge. Winner: Breitling Chronomat B01 42
The Breitling’s MSRP is lower at $9,550 versus the Omega at $10,400, while also offering automatic winding, a date, 200 m water resistance, and a manufacture chronograph caliber. The Omega counters with METAS certification, 15,000 gauss magnetic resistance, and the cultural weight of the Speedmaster Moonwatch lineage, which strongly supports collector appeal and brand significance even without discussing market pricing or resale. From an ownership standpoint, the Omega is the more specialized icon and the Breitling is the more feature-rich daily luxury sports watch. If you value heritage signals and enthusiast symbolism, Omega has the stronger collecting pull; if you value specification density per dollar and practicality, Breitling is the better value proposition. Winner: Tie
Compared
AB0134101B1A1
310.30.42.50.01.004