Side by side

Glycine Airman No. 1 GMTvsSeiko Prospex Land Mechanical GMT

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

Airman No. 1 GMT
GlycineAirman No. 1 GMT
MSRP $2,800
Prospex Land Mechanical GMT
SeikoProspex Land Mechanical GMT
MSRP $1,150

At a glance

16 of 29 specs differ
Diameter
Airman No. 1 GMT36mm
Prospex Land Mechanical GMT39.5mm
Power Reserve
Airman No. 1 GMT48h
Prospex Land Mechanical GMT72h
Water Resistance
Airman No. 1 GMT30m
Prospex Land Mechanical GMT200m
MSRP
Airman No. 1 GMT$2,800
Prospex Land Mechanical GMT$1,150

Full specifications

Case

6 specs
Diameter
36mm
39.5mm
Thickness
11.6mm
13.6mm
Lug-to-Lug
46.4mm
Finish
Brushed and polished
Water Resistance
30m
200m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Curved
AR Coating
Anti-reflective coating on inner surface
Dial Color
Silver
Black
Indices
Applied
Lume
Luminous
LumiBrite on hands and index(es)

Movement

4 specs
Caliber
SW330-2
6R54
Power Reserve
48h
72h
Jewels
25
24
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$2,800
$1,150

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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 No. 1 GMT

Owners widely praise the Glycine Airman No. 1 GMT for its historical significance and attractive dial. However, some find the 36mm case size to be a bit small, and the GMT hand can be difficult to distinguish from the minute hand. The watch has a very limited 3ATM water resistance. Later versions feature sapphire crystals, differing from earlier plexi models. Overall, owners value the Glycine Airman No. 1 GMT for its historical appeal and dial design, despite minor legibility and sizing concerns.

From video reviewers

The case finishing and dial colors are praised. The value proposition is tied to a sale price, with questions about long-term competitiveness.

Seiko Prospex Land Mechanical GMT

Owners widely praise the Seiko Prospex Land Mechanical GMT for its faithful reconstruction of a classic design, comfortable bracelet, and attractive gray dial with a bubbly crystal. Reviewers highlight its handsome everyday sports watch appeal, solid specifications, and classic Seiko diver aesthetics, offering great value. However, community members are divided on the 6R movement's accuracy, with some reporting significant deviations even after regulation, while others find it competitive for the price. A point of contention is the GMT function, with some wishing for a "flyer" style local jump GMT instead of the "caller" type, and the internal compass bezel is described as finicky and difficult to read. Owners generally consider the Seiko Prospex Land Mechanical GMT overpriced at its retail price, suggesting better value is found on sale or closer to $700.

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