Side by side

Breitling Chronomat B01 42vsRolex Explorer II

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

Chronomat B01 42
BreitlingChronomat B01 42
MSRP $24,600
Explorer II
RolexExplorer II
MSRP $10,600
What people say

Owners + reviewers, side by side

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

Breitling Chronomat B01 42

Owners widely praise the Breitling Chronomat B01 42 for its excellent finishing, refined Rouleaux bracelet, and the robust B01 movement. The dial finishing, particularly on copper and copper variants, is highlighted for its dynamic sunburst effect. Some owners consider it an "all-in-one watch" suitable for daily wear due to its ruggedness and chronograph complication. However, multiple sources note that the 42mm case wears larger than its stated size, with a long lug-to-lug distance making it feel closer to 44mm and potentially too large for smaller wrists. The polished bezel is also mentioned as a fingerprint magnet, and one owner reported a magnetized example running significantly fast before demagnetization. On balance, owners and reviewers appreciate the Breitling Chronomat B01 42 for its impressive build quality and distinctive design, despite its substantial wrist presence.

Rolex Explorer II

Owners widely praise the Rolex Explorer II for its high-contrast, legible polar dial and understated, classic toolish aesthetic, with some noting excellent accuracy around +/- 1 second per day. The bracelet is described as incredibly comfortable, and the lume is clean and stunning. However, the 42mm case size is a point of contention, with some finding it too large or flashy, while others appreciate its practical, tool-y nature or consider it a comfortable everyday wear. The bezel is noted as easily scratched, and some dislike the magnified date window for its readability at angles and aesthetic clutter. Availability at authorized dealers varies, with some experiencing long wait times and others finding immediate availability. Overall, owners rate the Rolex Explorer II highly for its legibility and understated tool watch aesthetic, despite some reservations about its size.

At a glance

17 of 29 specs differ
Diameter
Chronomat B01 4242mm
Explorer II42mm
Power Reserve
Chronomat B01 4270h
Explorer II70h
Water Resistance
Chronomat B01 42200m
Explorer II100m
MSRP
Chronomat B01 42$24,600
Explorer II$10,600

Full specifications

Case

8 specs
Category
Diver
GMT
Thickness
15.1mm
Lug-to-Lug
46mm
Lug Width
22mm
Material
18kt Pink Gold
Oystersteel
Finish
Stainless steel
Water Resistance
200m
100m
Caseback
Monobloc middle case, screw-down case back and winding crown

Crystal & Dial

4 specs
Crystal Shape
Flat
Dial Color
Black
Indices
Index
Lume
None
Chromalight

Movement

4 specs
Caliber
Breitling B01
3285
Beat Rate
0 vph
28,800 vph
Jewels
0
34
Complications
None
GMT, Date

Pricing

1 specs
MSRP
$24,600
$10,600
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