Side by side

Rolex Cosmograph DaytonavsSeiko Prospex SPEEDTIMER

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.

Rolex Cosmograph Daytona

Owners widely praise the Rolex Cosmograph Daytona for its exceptional proportions and comfort on the wrist, with many finding its 40mm case and bracelet to be perfectly balanced and wearable. Reviewers note a tweaked dial for improved legibility and a new ceramic bezel with a steel ring on the ref. 126500. However, some owners find the watch underwhelming in person and criticize the sub-dial placement, screw-down pushers, and high market value, with one reviewer finding the retail price steep compared to other iconic chronographs. Accuracy figures vary, with some owners reporting superior accuracy and others noting a range from +1/+2 to about -6 seconds per day. On balance, owners and reviewers rate the Rolex Cosmograph Daytona highly for its wearability and refined finishing, despite some reservations about its value proposition.

From video reviewers

The 18k yellow gold case and Cerachrom bezel are frequently cited strengths. The Oysterflex bracelet also received multiple mentions.

Seiko Prospex SPEEDTIMER

Owners widely praise the Seiko Prospex SPEEDTIMER's gorgeous, unique red dial and vintage-inspired design, finding it a sturdy and reliable everyday watch. Some owners, however, question the value proposition at around $700 for a solar quartz model, citing its 13-15mm thickness and the 24-hour subdial as drawbacks. Accuracy figures vary, with one owner reporting +1/+2 seconds per day, while another notes the V192 solar movement offers a six-month power reserve. Overall, owners and reviewers find the Seiko Prospex SPEEDTIMER a capable and versatile chronograph, with its striking dial and everyday wearability being the most frequently cited strengths.

From video reviewers

The Seiko Prospex SPEEDTIMER's solar movement provides reliable power without battery replacements and accurate timekeeping, with a claimed accuracy of ±15 seconds per month. A notable trade-off is the watch's slightly thicker profile and somewhat lacking lume brightness. Reviewers disagree on whether the bezel action is smooth and clicky, with one reviewer praising it and the other not mentioning it.

At a glance

21 of 29 specs differ
Diameter
Cosmograph Daytona40mm
Prospex SPEEDTIMER39mm
Power Reserve
Cosmograph Daytona72h
Prospex SPEEDTIMER
Water Resistance
Cosmograph Daytona100m
Prospex SPEEDTIMER100m
MSRP
Cosmograph Daytona$16,900
Prospex SPEEDTIMER$725

Full specifications

Case

7 specs
Diameter
40mm
39mm
Thickness
13.3mm
Lug-to-Lug
45.5mm
Lug Width
20mm
Material
Oystersteel
Stainless Steel
Finish
18 kt yellow gold
Caseback
Monobloc middle case, screw-down case back and winding crown

Crystal & Dial

5 specs
Crystal Shape
Flat
Curved
AR Coating
Anti-reflective coating on inner surface
Dial Color
Turquoise
Indices
Index
Lume
Chromalight
LumiBrite on hands and index(es)

Movement

8 specs
Caliber
4131
V192
Type
Automatic
Quartz
Beat Rate
28,800 vph
0 vph
Power Reserve
72h
0h
Jewels
47
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
Chronograph
None

Pricing

1 specs
MSRP
$16,900
$725
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