Side by side

Breitling Premier B09 Chronograph 40vsRolex Cosmograph Daytona

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

What people say

Owners + reviewers, side by side

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

Breitling Premier B09 Chronograph 40

Owners and reviewers widely praise the Breitling Premier B09 Chronograph 40 for its classically styled, in-house manual wind chronograph design and excellent finishing. The 40mm size, legible two-register dial, and applied Arabic numerals are highlighted as modern touches on a retro piece, with the pistachio green dial variant receiving particular admiration for its bold and fresh aesthetic. Some owners, however, dislike the "cut off numbers" on the dial, though others appreciate them. Overall, owners and reviewers rate the Breitling Premier B09 Chronograph 40 highly for its tasteful design and strong build quality.

Rolex Cosmograph Daytona

Owners widely praise the Rolex Cosmograph Daytona's design appeal and sleek, luxurious-yet-sporty proportions, with some finding it "absolutely gorgeous" and better in person than in photos. Reviewers note a subtly increased 40mm case size with balanced lugs and sharpened hour markers for improved legibility, and a ceramic bezel with a steel outer ring. Some owners question the value proposition of steel versions at MSRP, citing good but not exceptional finishing and a movement that isn't visible, while others find precious metal versions have shorter wait times. Owners are split on the watch's sizing and overall feel, with some finding it dated and others praising its perfection on the wrist. Overall, owners and reviewers rate the Rolex Cosmograph Daytona highly for its iconic design and wrist presence.

At a glance

15 of 29 specs differ
Diameter
Premier B09 Chronograph 4040mm
Cosmograph Daytona40mm
Power Reserve
Premier B09 Chronograph 4070h
Cosmograph Daytona72h
Water Resistance
Premier B09 Chronograph 40100m
Cosmograph Daytona100m
MSRP
Premier B09 Chronograph 40$23,900
Cosmograph Daytona$24,550

Full specifications

Case

5 specs
Thickness
13.08mm
Lug Width
20mm
Material
18kt Pink Gold
Yellow Rolesor
Finish
Stainless steel
18 kt yellow gold
Caseback
Monobloc middle case, screw-down case back and winding crown

Crystal & Dial

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

Movement

5 specs
Caliber
Breitling B09 (Manufacture)
4131
Type
Manual
Automatic
Beat Rate
0 vph
28,800 vph
Power Reserve
70h
72h
Jewels
0
47

Pricing

1 specs
MSRP
$23,900
$24,550
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