Side by side

Breitling Chronomat B01 42vsSeiko 5 Sports SKX series

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

Chronomat B01 42
BreitlingChronomat B01 42
5 Sports SKX series
Seiko5 Sports SKX series
MSRP $350
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 and reviewers widely praise the Breitling Chronomat B01 42 for its exceptional fit and finish, with many calling the Rouleaux bracelet a work of art and the case and bracelet feeling like a "little tank." The dial execution is consistently noted as elegant and appealing, with the copper dial specifically highlighted as unique and dynamic. Some owners report excellent timekeeping, with one noting -3 to -2 seconds per day after demagnetization. The watch's styling is described as bold and loud by some, and its 42mm size with a 50.5mm lug-to-lug distance may wear large for some wrists, feeling more substantial than other 42mm watches. The polished bezel is noted as a fingerprint magnet. Overall, owners and reviewers rate the Breitling Chronomat B01 42 highly for its robust build quality and distinctive bracelet design.

Seiko 5 Sports SKX series

The Seiko 5 Sports SKX series is widely praised for its value, robust build, and powerful lume, with owners appreciating its comfortable bracelets and improved movement featuring hacking and hand-winding. Some owners find the original SKX models heavy and bulky, while others praise their ruggedness and iconic dive watch design. Reviewers note the 38mm models offer great value at around €350 and are exemplary gateway watches, though their 100m water resistance without a screw-down crown makes them unsuitable for diving. The Seiko 5 Sports SKX series is seen as a decent watch, especially under £200, but lacks the tool watch capabilities of the original SKX, missing a screw-down crown, bezel pip, and ISO rating. On balance, owners and reviewers rate the Seiko 5 Sports SKX series well for its blend of value, improved movement, and tool-watch aesthetic, despite some missing dive certifications.

At a glance

18 of 29 specs differ
Diameter
Chronomat B01 4242mm
5 Sports SKX series38mm
Power Reserve
Chronomat B01 4270h
5 Sports SKX series41h
Water Resistance
Chronomat B01 42200m
5 Sports SKX series100m
MSRP
Chronomat B01 42
5 Sports SKX series$350

Full specifications

Case

7 specs
Diameter
42mm
38mm
Thickness
15.1mm
12.1mm
Lug-to-Lug
46mm
44.2mm
Lug Width
22mm
20mm
Finish
Stainless steel
Brushed and polished
Water Resistance
200m
100m
Caseback
Solid

Crystal & Dial

6 specs
Crystal
Sapphire
Hardlex
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Black
Indices
Applied
Lume
None
LumiBrite on hands and index(es)

Movement

4 specs
Caliber
Breitling B01
Seiko 4R36
Beat Rate
0 vph
28,800 vph
Power Reserve
70h
41h
Jewels
0
24

Pricing

1 specs
MSRP
$350
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