Side by side

Glycine Airpilot GMTvsSeiko Astron

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

Airpilot GMT
GlycineAirpilot GMT
MSRP $1,595
Astron
SeikoAstron
MSRP $2,500

At a glance

18 of 29 specs differ
Diameter
Airpilot GMT44mm
Astron42mm
Power Reserve
Airpilot GMT
Astron40h
Water Resistance
Airpilot GMT100m
Astron100m
MSRP
Airpilot GMT$1,595
Astron$2,500

Full specifications

Case

7 specs
Diameter
44mm
42mm
Thickness
10.75mm
12.4mm
Lug-to-Lug
49.5mm
Lug Width
22mm
14mm
Material
Stainless Steel
Titanium
Finish
Brushed and polished
Caseback
Solid

Crystal & Dial

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

Movement

5 specs
Caliber
5X83
Beat Rate
28,800 vph
Power Reserve
40h
Jewels
1
14
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$1,595
$2,500

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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.

Glycine Airpilot GMT

Owners widely praise the Glycine Airpilot GMT for its exceptional value, citing case and bracelet finishing that rivals much more expensive watches, a vibrant dial, and clear legibility. One owner notes a potential concern about the crown stem, having encountered similar issues with the brand. The clasp is considered average, and the red numbers on the inner chapter ring are too small to be useful. The 52mm lug-to-lug may be too large for smaller wrists. Overall, owners rate the Glycine Airpilot GMT highly for its impressive finishing and value proposition.

Seiko Astron

Owners widely praise the Seiko Astron for its spectacular technology, solar-powered quartz movement, and GPS time synchronization, making it a convenient grab-and-go option. The watch is frequently noted for its comfortable and lightweight titanium build, with some models featuring well-finished cases and robust ceramic bezels. Reviewers and owners alike highlight the dial's dynamic and shiny appearance, with textured hour markers and high-contrast edges. Accuracy is generally considered good, with figures ranging from +/- 15 seconds per month to within 1/2 second per day, easily corrected by GPS signal. However, some owners note that DST requires manual adjustment and that automatic time syncing depends on proximity to radio wave towers. The price point is a concern for some, who feel it competes with luxury watches without the same aesthetic appeal. One owner pointed out minimal lume and a slight misalignment of the minute hand on their model.

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