Side by side

Glycine Airman GMT Dual TimevsSeiko Astron

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

What people say

Owners + reviewers, side by side

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

Glycine Airman GMT Dual Time

The Glycine Airman GMT Dual Time is praised for its comfortable size, attractive aesthetics, blue AR-coated sapphire crystal, and value as a "grab 'n' go" quartz piece. Owners appreciate its classic pilot design and wearability, with some finding it fits well under a shirt cuff and looks more expensive on a mesh bracelet. However, some find the dual GMT hands redundant and less intuitive than a purist 24-hour dial, with the GMT hand's similarity to the minute hand causing frustration for some. Legibility is a concern for some owners, who note the dark Arabic numerals on the black dial can be hard to see in less than ideal light, though the luminous hands are considered amazing. On balance, owners and reviewers rate the Glycine Airman GMT Dual Time highly for its classic design and comfortable wearability, despite some legibility and GMT hand usability concerns.

Seiko Astron

Owners widely praise the Seiko Astron for its spectacular time-telling technology, GPS time sync, and grab-and-go convenience, with many calling it the best watch they have ever owned. Reviewers and owners highlight the well-managed dial detail, textured hour markers, and high-contrast edges, as well as the well-finished case and bracelet. Some find the lightweight titanium build and quick bracelet adjustment contribute to comfortable wearability. Accuracy is noted as +/- 15 seconds per month without GPS, though the autonomous quartz movement can be easily reset by looking at the sky. Criticisms include DST not being automatically implemented, recessed buttons requiring a sharp object for adjustment, and sparse lume with no 12 o'clock marker. Some owners feel the price point is too expensive for its aesthetic appeal. Overall, owners rate the Seiko Astron highly for its advanced time-telling technology and convenient features.

At a glance

20 of 29 specs differ
Diameter
Airman GMT Dual Time42mm
Astron41.2mm
Power Reserve
Airman GMT Dual Time
Astron
Water Resistance
Airman GMT Dual Time200m
Astron100m
MSRP
Airman GMT Dual Time$1,095
Astron$2,200

Full specifications

Case

9 specs
Category
GMT
Dress
Diameter
42mm
41.2mm
Thickness
13mm
12mm
Lug-to-Lug
48.5mm
Lug Width
22mm
14mm
Material
Stainless Steel
Titanium
Finish
Water Resistance
200m
100m
Caseback

Crystal & Dial

5 specs
Crystal Shape
AR Coating
Super-clear coating
Dial Color
Blue
Indices
Lume
Luminous
LumiBrite on hands and index(es)

Movement

5 specs
Caliber
Seiko 3X62
Beat Rate
0 vph
Power Reserve
0h
Jewels
5
10
Complications
GMT, Date, Dual Time
None

Pricing

1 specs
MSRP
$1,095
$2,200
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