Side by side

Rolex Cosmograph DaytonavsZenith Chronomaster Open

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

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What people say

Owners + reviewers, side by side

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

Rolex Cosmograph Daytona

Owners and reviewers widely praise the Rolex Cosmograph Daytona for its gorgeous appearance, superior accuracy, and finer finishing compared to alternatives, with many finding its 40mm case size and well-engineered bracelet with adjustable clasp to be comfortable and wearable. Some owners, however, question its value at current market prices, with one reviewer noting the retail price is steep for a chronograph, and another finding the sub-dial placement slightly off. One owner finds the screw-down pushers require unscrewing to use. Overall, owners and reviewers rate the Rolex Cosmograph Daytona highly for its refined finishing and comfortable wearability, despite some concerns about its market value.

From video reviewers

The 18 ct yellow gold case and striking turquoise blue dial are key strengths. Reviewers did not reach a consensus on any weaknesses.

Zenith Chronomaster Open

The open dial showcasing the El Primero movement is cited as a key feature. Reviewers did not reach a consensus on any weaknesses.

At a glance

19 of 29 specs differ
Diameter
Cosmograph Daytona40mm
Chronomaster Open39.5mm
Power Reserve
Cosmograph Daytona72h
Chronomaster Open60h
Water Resistance
Cosmograph Daytona100m
Chronomaster Open50m
MSRP
Cosmograph Daytona$42,700
Chronomaster Open$11,100

Full specifications

Case

8 specs
Diameter
40mm
39.5mm
Thickness
0mm
Lug-to-Lug
0mm
Lug Width
0mm
Material
18 kt yellow gold
Stainless Steel
Finish
18 kt yellow gold
Water Resistance
100m
50m
Caseback
Monobloc middle case, screw-down case back and winding crown
Display

Crystal & Dial

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

Movement

6 specs
Caliber
4131
Zenith El Primero 3604
Beat Rate
28,800 vph
36,000 vph
Power Reserve
72h
60h
Jewels
47
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$42,700
$11,100
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