Side by side

Citizen World Chronograph A-TvsSpinnaker Dumas Automatic

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
Dumas Automatic
SpinnakerDumas Automatic
MSRP $239

At a glance

11 of 29 specs differ
Diameter
World Chronograph A-T43mm
Dumas Automatic44mm
Power Reserve
World Chronograph A-T40h
Dumas Automatic40h
Water Resistance
World Chronograph A-T200m
Dumas Automatic300m
MSRP
World Chronograph A-T$581
Dumas Automatic$239

Full specifications

Case

7 specs
Category
Pilot
Diver
Diameter
43mm
44mm
Thickness
12mm
15mm
Lug-to-Lug
46mm
48mm
Lug Width
23mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
300m

Crystal & Dial

1 specs
AR Coating
Underside
Inner

Movement

2 specs
Caliber
H800
SII NH35A
Type
Solar
Automatic

Pricing

1 specs
MSRP
$581
$239

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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.

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.

Spinnaker Dumas Automatic

Owners widely praise the Spinnaker Dumas Automatic for its attractive textured blue dial, applied indices, and well-finished case, noting its comfortable wearability due to a short lug-to-lug distance. Some owners flag the use of mineral crystal instead of sapphire and a bracelet with a learning curve and loose keeper. Overall, owners rate the Spinnaker Dumas Automatic highly for its aesthetics and case finishing at its price point.

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