Side by side

Citizen Atomic Perpetual A-TvsGlycine Airman GMT

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

Airman GMT
GlycineAirman GMT
MSRP $1,295
What people say

Owners + reviewers, side by side

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

Citizen Atomic Perpetual A-T

Owners widely praise the Citizen Atomic Perpetual A-T for its handsome appearance, solid fit and finish, comfortable bracelet, and intuitive world time function. Its perpetual calendar and atomic timekeeping are highlighted as major conveniences, maintaining accuracy within 0.5 seconds even without syncing, and owners appreciate its "set & forget" nature and solar charging. The watch features a modest, stylish blue dial with delicate design details and a clutter-free layout, along with high water resistance without a screw-down crown and light titanium construction. Some find the dial unnecessarily busy, and its time zone functionality is noted as less useful outside the US, with atomic sync being less compelling below the equator. Accuracy is reported as +/-15 seconds per month if not syncing, but +/-0 seconds if it syncs via radio signal. Some find the watch a bit on the large side.

Glycine Airman GMT

Owners widely appreciate the Glycine Airman GMT's ability to track three time zones with an easy-to-read dial layout. However, some owners find the GMT hand visually similar to the minute hand, suggesting a red paint for better distinction, a sentiment echoed by reviewers who note the thin, unlumed GMT hand can be hard to read against the black dial. One owner praises the 39mm sizing and 200m water resistance of a related model, noting its good build and finishing from when Glycine was independent. On balance, owners and reviewers find the Glycine Airman GMT offers practical multi-time zone tracking, though legibility of the GMT hand is a recurring point of discussion.

At a glance

18 of 29 specs differ
Diameter
Atomic Perpetual A-T41mm
Airman GMT45mm
Power Reserve
Atomic Perpetual A-T40h
Airman GMT
Water Resistance
Atomic Perpetual A-T200m
Airman GMT200m
MSRP
Atomic Perpetual A-T
Airman GMT$1,295

Full specifications

Case

7 specs
Category
Pilot
GMT
Diameter
41mm
45mm
Thickness
12mm
13mm
Lug-to-Lug
46mm
Lug Width
20mm
22mm
Finish
Brushed and polished
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Underside
Dial Color
Blue
Black
Indices
Applied

Movement

6 specs
Caliber
H800
Type
Solar
Quartz
Beat Rate
28,800 vph
Power Reserve
40h
Jewels
25
1
Complications
None
GMT

Pricing

1 specs
MSRP
$1,295
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