Side by side

Citizen Tsuki-yomi A-TvsSpinnaker Dumas GMT

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

Tsuki-yomi A-T
CitizenTsuki-yomi A-T
MSRP $656
Dumas GMT
SpinnakerDumas GMT
MSRP $399

At a glance

10 of 29 specs differ
Diameter
Tsuki-yomi A-T43mm
Dumas GMT44mm
Power Reserve
Tsuki-yomi A-T40h
Dumas GMT40h
Water Resistance
Tsuki-yomi A-T100m
Dumas GMT300m
MSRP
Tsuki-yomi A-T$656
Dumas GMT$399

Full specifications

Case

6 specs
Category
Dress
GMT
Diameter
43mm
44mm
Thickness
12mm
15mm
Lug-to-Lug
46mm
48mm
Material
Super Titanium
316L Stainless Steel
Water Resistance
100m
300m

Crystal & Dial

1 specs
Dial Color
Red
Blue

Movement

2 specs
Caliber
H874
Seiko NH34A
Type
Solar
Automatic

Pricing

1 specs
MSRP
$656
$399

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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 Tsuki-yomi A-T

The Citizen Tsuki-yomi A-T is widely praised for its gorgeous, detailed moonphase complication, available in gray, blue, or red, and its visually light Super Titanium case. Reviewers and owners alike highlight the comfortable wearability offered by the 43mm case, which is 11mm thick with short lugs and features a mix of brushed and polished finishes. The radio-controlled atomic timekeeping and Eco-Drive movement are noted as key features, along with a world time zone guide on the case back. Some users find the pushers and crown for setting time zones and hemisphere settings, along with the chapter ring functions, to be unintuitive. On balance, owners and reviewers rate the Citizen Tsuki-yomi A-T highly for its striking moonphase display and comfortable, lightweight titanium construction at a great price.

Spinnaker Dumas GMT

Owners praise the Spinnaker Dumas GMT's satisfying lume, including on the crown, and good finishing, with one owner finding it wears well on a 17cm wrist. The watch features a Seiko NH34A GMT movement and a blue gradient dial. Reviewers note its 44mm diameter and 209g weight on the bracelet make it unsuitable for smaller wrists.

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