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 $2,200

At a glance

14 of 29 specs differ
Diameter
World Chronograph A-T43mm
Prospex SPEEDTIMER42mm
Power Reserve
World Chronograph A-T40h
Prospex SPEEDTIMER40h
Water Resistance
World Chronograph A-T200m
Prospex SPEEDTIMER100m
MSRP
World Chronograph A-T$581
Prospex SPEEDTIMER$2,200

Full specifications

Case

6 specs
Category
Pilot
Chronograph
Diameter
43mm
42mm
Thickness
12mm
12.9mm
Lug-to-Lug
46mm
49.6mm
Lug Width
23mm
20mm
Water Resistance
200m
100m

Crystal & Dial

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

Movement

3 specs
Caliber
H800
5X83
Type
Solar
Quartz
Jewels
25
14

Pricing

1 specs
MSRP
$581
$2,200

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 for its unique dial colors and vintage-inspired design, with many appreciating its compact 39mm case size and 100m or 200m water resistance. Reviewers and owners note the V192 solar movement’s power reserve indicator and its reliability, though some owners express a preference for automatic movements. One owner finds the $700 price for a solar quartz model expensive, while another criticizes the €860 price point and desires a thinner case and a bracelet with quick-release or micro-adjustment. On balance, owners and reviewers appreciate the Seiko Prospex SPEEDTIMER for its distinctive aesthetic and versatile wearability, despite some reservations about its price and case thickness.

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.