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
M79360N-0012
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
Collectors who want a more distinctive luxury-sports chronograph with strong wrist presence and a premium bracelet identity
Where it wins
Buyers who want the strongest everyday value, chronometer certification, and tool-less bracelet adjustment
The Breitling uses the in-house Breitling 01 manufacture caliber, while the Tudor uses the MT5813, a chronometer-certified automatic movement. Both list 70-hour power reserves and both are 4 Hz movements at 28,800 vph for the Breitling only, while Tudor’s frequency is not yet listed. The Breitling’s manufacture status and high jewel count signal strong technical ambition; the Tudor’s COSC certification adds an objective accuracy and regulation credential that the Breitling data does not list. In serviceability and long-term reliability, both appear well-positioned as modern, mainstream chronograph calibers, but the provided data does not include enough service detail to separate them further. Winner: Tie
The Tudor is slightly smaller on paper at 41mm versus 42mm, and also slimmer at 14.4mm versus 15.1mm, which should make it easier to wear for more wrists. The Breitling has a shorter listed lug-to-lug at 50.5mm, but the Tudor’s lug-to-lug and weight are not yet listed, so the fit comparison is only partially supported by hard data. The Breitling wearability notes emphasize that its compact lug-to-lug and integrated feel help it wear better than its dimensions suggest, though it is still described as having strong wrist presence and substantial heft at 198g. The Tudor notes say it wears more compact than the numbers suggest thanks to its curved case profile and balanced proportions, while still being a substantial watch that can feel top-heavy on smaller wrists. Winner: Tie
For daily practicality, the Tudor has the stronger overall package in the listed data. Its opaline dial with black counters should offer excellent contrast and easy reading, and the T-Fit clasp with 8mm of tool-less micro-adjustment is a meaningful comfort advantage for everyday wear. The Breitling has a cambered sapphire crystal with glareproofing on both sides, a unidirectional ratcheted bezel, and a screw-locked crown with two gaskets, all of which support its sporty robustness, but the data does not list dial color, lume, or specific clasp adjustability. Both have 200m water resistance and chronograph functionality, but the Tudor’s screw-down pushers and dated vintage-racing look make it feel more versatile as an all-purpose sports watch, while the Breitling is more visually loud and polished. Winner: Tudor Black Bay Chrono
The Tudor has a clear MSRP advantage at $6,875 versus $9,550 for the Breitling, and the provided notes frame it as having a stronger value proposition relative to peers. The Breitling brings stronger brand-distinctiveness and a more singular luxury-sports identity, along with the appeal of an in-house manufacture chronograph and the Chronomat’s historical significance in Breitling’s modern sports-watch story. The Tudor offers chronometer certification, tool-less bracelet adjustment, and a rugged, versatile ownership experience at a meaningfully lower entry price. On collector appeal, the Breitling may attract buyers drawn to bold finishing and unmistakable brand character, while the Tudor may appeal more broadly to enthusiasts seeking substance and daily usability. Winner: Tudor Black Bay Chrono
Compared
AB0134101B1A1
M79360N-0012