Breitling Top Time B01vsOmega Speedmaster 38 Co Axial Chronometer Chronograph 38mm
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.
Top Time B01
Speedmaster 38 Co Axial Chronometer Chronograph 38mm
Diameter
41mm
38mm
Lug-to-Lug
n/a
44.9mm
Thickness
13.3mm
lowest
14.7mm
Water Resistance
100m
100m
Power Reserve
70h
highest
52h
MSRP
$7,650
lowest
$8,700
Movement
Breitling B01
Omega 3330
Case
6 specsCrystal & Dial
2 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Breitling Top Time B01 for its handsome design and sharp finishing, with some calling it one of their favorite watches and sexier than alternatives. Reviewers note the in-house B01 movement, 41mm case that wears smaller than dimensions suggest, and 100m water resistance. Owners appreciate the blue dial that changes with light and unique details like a lightning bolt seconds hand or dials made from automotive paint chips. One owner notes the lug-to-lug length can be a concern for smaller wrists, suggesting an in-person try-on. Accuracy figures vary, with one owner seeing +1/+2 seconds per day and another about -6 seconds per day. The Breitling Top Time B01 offers a 70-hour power reserve and a 5-year warranty. On balance, owners and reviewers rate the Breitling Top Time B01 highly for its attractive design and the value of its in-house B01 movement.
The in-house B01 chronograph movement with its 70-hour power reserve stands out as the defining strength, delivering substantial functionality and reliability across multiple variants. The compact proportions—ranging from 38mm to 41mm cases with lug-to-lug measurements between 44mm and 50mm—ensure comfortable wearability across different wrist sizes. Reviewer assessments diverged sharply on value, with one calling the £5,950 price point excellent value for the specifications, while others provided no pricing commentary.
Owners widely praise the Omega Speedmaster 38 Co Axial Chronometer Chronograph 38mm for its refined 38mm sizing, which offers a perfect fit on smaller wrists and an updated design compared to older models. The sunburst dial is considered excellent, and the automatic movement delivers chronometer accuracy of approximately -1 second per day. Some owners find the watch to be not too big, though a few note it can appear thicker than expected and describe it as "blingier" in person than stock photos suggest. A drawback mentioned is the pin-operated date change mechanism, which prevents on-the-go adjustments, and the lack of a screw-down crown. On balance, owners rate the Omega Speedmaster 38 Co Axial Chronometer Chronograph 38mm highly for its wearability and updated aesthetic on smaller wrists.
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