Side by side

Breitling Top Time B01vsOblvlo JM Rotor

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Top Time B01
BreitlingTop Time B01
MSRP $750
JM Rotor
OblvloJM Rotor
MSRP $299
What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Breitling Top Time B01

The Breitling Top Time B01 is widely praised for its handsome design and sharp finishing, featuring the in-house B01 movement. Owners find the 41mm case wears smaller than dimensions suggest, and specific variants like the Triumph and Deus are highlighted for their attractive dials and unique details. The Breitling B01 movement is a consistent point of appreciation, with owners noting its smooth operation and 70-hour power reserve. Some owners report the watch is a favorite, even surpassing other timepieces in their collection, and find it sexier than alternatives. However, some reviewers suggest the abundant polishing on certain cases could benefit from more brushing. The lug-to-lug length on the 41mm case can be a concern for smaller wrists, prompting advice to try it on in person. One owner noted a price of $5,300 USD for the Triumph model, while another questioned a $2,500 price difference over ETA-equipped models, seeing no discernible difference between the movements.

From video reviewers

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.

Oblvlo JM Rotor

Owners widely praise the Oblvlo Star Wheel for its artistic dial, crisp finishing, and sturdy build, noting it wears well on smaller wrists due to its actual dimensions being smaller than listed. The winding action is described as smooth, though the lume is consistently flagged as weak and imprecise in darkness, and the lack of anti-glare coating is a drawback for some. On balance, owners rate the Oblvlo highly for its artistic dial and build quality at the price.

At a glance

16 of 29 specs differ
Diameter
Top Time B0141mm
JM Rotor42mm
Power Reserve
Top Time B0170h
JM Rotor42h
Water Resistance
Top Time B01100m
JM Rotor50m
MSRP
Top Time B01$750
JM Rotor$299

Full specifications

Case

7 specs
Category
Mechanical
Sport
Diameter
41mm
42mm
Thickness
13.3mm
13mm
Lug-to-Lug
46mm
Finish
18k red gold
Brushed and polished
Water Resistance
100m
50m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Black
Indices
Applied

Movement

4 specs
Caliber
Breitling B01
Miyota 8215
Beat Rate
0 vph
28,800 vph
Power Reserve
70h
42h
Jewels
0
21

Pricing

1 specs
MSRP
$750
$299
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