Side by side

Citizen World Chronograph A-TvsSeiko Prospex SPEEDTIMER

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

World Chronograph A-T
CitizenWorld Chronograph A-T
MSRP $581
Prospex SPEEDTIMER
SeikoProspex SPEEDTIMER
MSRP $750

At a glance

13 of 29 specs differ
Diameter
World Chronograph A-T43mm
Prospex SPEEDTIMER41.4mm
Power Reserve
World Chronograph A-T40h
Prospex SPEEDTIMER40h
Water Resistance
World Chronograph A-T200m
Prospex SPEEDTIMER100m
MSRP
World Chronograph A-T$581
Prospex SPEEDTIMER$750

Full specifications

Case

6 specs
Category
Pilot
Chronograph
Diameter
43mm
41.4mm
Thickness
12mm
13mm
Lug-to-Lug
46mm
45.9mm
Lug Width
23mm
21mm
Water Resistance
200m
100m

Crystal & Dial

4 specs
Crystal Shape
Flat
Curved
AR Coating
Underside
Anti-reflective coating on inner surface
Dial Color
Blue
Black
Lume
None
LumiBrite on hands and index(es)

Movement

2 specs
Caliber
H800
V192
Type
Solar
Quartz

Pricing

1 specs
MSRP
$581
$750

Follow this matchup

Get a note when Citizen World Chronograph A-T vs Seiko Prospex SPEEDTIMER gets more votes, a community discussion, or a price drop. No account needed.

What people say

Owners + reviewers, side by side

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

Citizen World Chronograph A-T

Owners widely praise the Citizen World Chronograph A-T for its perpetual accuracy via radio-controlled atomic timekeeping and Eco-Drive solar charging, eliminating the need to set the time or change batteries. Reviewers and owners highlight its advanced technology, chronograph styling, and user-friendly crown-actuated time zone changes. Specific praise is given to its water resistance, sapphire crystal, and value for money, with some appreciating subtle blue accents and others the bold Blue Angels colorway. However, the internal slide rule bezel is considered difficult to operate, the dial can suffer from glare and poor lume, and the blue bezel plating may scratch easily. Some owners note the 43mm size and 145g weight are substantial, and the stock strap can be too short for larger wrists. One owner reported indicator hands misaligning but resolved it with recalibration.

Seiko Prospex SPEEDTIMER

Owners widely praise the Seiko Prospex SPEEDTIMER's design, with specific mentions of its beautiful ice blue sundial and compact 39mm case size, which some note wears smaller than its specifications due to a short lug-to-lug distance. Reviewers highlight its racing-inspired aesthetic and versatility, with one owner finding the 39mm solar model a sturdy and reliable everyday watch with 100m water resistance. However, some owners question the value proposition, citing the $700 price for a solar quartz model and a thickness of 13mm, while others expressed a preference for automatic movements. On balance, owners and reviewers appreciate the Seiko Prospex SPEEDTIMER's attractive vintage-inspired design and compact wearability, though some debate its value and thickness for a solar quartz chronograph.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.