Side by side

Glycine Airman GMTvsSeiko Prospex LX line

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

Airman GMT
GlycineAirman GMT
MSRP $2,950
Prospex LX line
SeikoProspex LX line
MSRP $6,500

At a glance

19 of 29 specs differ
Diameter
Airman GMT46mm
Prospex LX line44.8mm
Power Reserve
Airman GMT48h
Prospex LX line72h
Water Resistance
Airman GMT100m
Prospex LX line300m
MSRP
Airman GMT$2,950
Prospex LX line$6,500

Full specifications

Case

9 specs
Category
GMT
Diver
Diameter
46mm
44.8mm
Thickness
12.18mm
15.7mm
Lug-to-Lug
50.9mm
Lug Width
24mm
22mm
Material
Stainless Steel
Titanium
Finish
Brushed and polished
Water Resistance
100m
300m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Anti-reflective coating on inner surface
Indices
Applied
Lume
Luminous
LumiBrite on hands and index(es)

Movement

5 specs
Caliber
SW330-2
5R65
Type
Automatic
Spring Drive
Power Reserve
48h
72h
Jewels
25
30
Complications
GMT
None

Pricing

1 specs
MSRP
$2,950
$6,500

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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 Airman GMT

Owners widely praise the Glycine Airman GMT for its value and classic design, with specific appreciation for its 39mm sizing, 200m water resistance, and beefy signed crowns. Reviewers highlight its faithful re-issue nature, retaining vintage features like the plexiglass crystal and locking friction bezel with a thumbscrew crown, while some owners note its subtle blue degrade dial and red-tipped GMT hand. Accuracy from its Sellita-based automatic movement is described as acceptable, though some owners find the dual 12-hour and 24-hour scales confusing and the slim GMT hand difficult to read. On balance, enthusiasts and reviewers rate the Glycine Airman GMT highly for its vintage charm and robust build at its price point.

Seiko Prospex LX line

Owners widely report the Seiko Prospex LX line's finishing is a step up from other models, with a case that sits well on the wrist, and some praise the green sunburst dial with blue anti-reflective sapphire crystal as phenomenal. However, owners note the high MSRP limited sales, with some desiring smaller cases and a reduced price, and others experienced quality control issues such as detached second hands and peeling DLC coating, leading to concerns about fragility. On balance, owners feel the Seiko Prospex LX line was discontinued due to pricing that alienated its target market, despite its attractive dial.

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