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 $5,500

At a glance

18 of 29 specs differ
Diameter
Airman GMT46mm
Prospex LX line44.8mm
Power Reserve
Airman GMT48h
Prospex LX line72h
Water Resistance
Airman GMT100m
Prospex LX line200m
MSRP
Airman GMT$2,950
Prospex LX line$5,500

Full specifications

Case

8 specs
Diameter
46mm
44.8mm
Thickness
12.18mm
14.7mm
Lug-to-Lug
50.9mm
Lug Width
24mm
22mm
Material
Stainless Steel
Titanium
Finish
Brushed and polished
Water Resistance
100m
200m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Super-clear coating
Indices
Applied
Lume
Luminous
LumiBrite on hands and index(es)

Movement

5 specs
Caliber
SW330-2
5R66
Type
Automatic
Spring Drive
Power Reserve
48h
72h
Jewels
25
30
Complications
GMT
None

Pricing

1 specs
MSRP
$2,950
$5,500

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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 dial's blue-green sunburst is phenomenal, and the sapphire glass features blue AR coating. Some owners feel the high price limits discounts and sales, with one AD noting extremely low sales due to the cost. One owner reported DLC peeling off a two-week-old watch, and another noted quality control issues like bezel inserts and fallen second hands. On balance, owners consider the Seiko Prospex LX line a nicely built watch, though pricing led to poor sales and its discontinuation.

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