Side by side

Glycine Airman GMTvsGrand Seiko SBGE307

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

Airman GMT
GlycineAirman GMT
MSRP $2,950
SBGE307
Grand SeikoSBGE307
MSRP $11,500

At a glance

17 of 29 specs differ
Diameter
Airman GMT46mm
SBGE30744.5mm
Power Reserve
Airman GMT48h
SBGE30772h
Water Resistance
Airman GMT100m
SBGE307200m
MSRP
Airman GMT$2,950
SBGE307$11,500

Full specifications

Case

8 specs
Diameter
46mm
44.5mm
Thickness
12.18mm
14.9mm
Lug-to-Lug
50mm
Lug Width
24mm
23mm
Material
Stainless Steel
Titanium
Finish
Brushed and polished
Water Resistance
100m
200m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Yes
Indices
Applied
Lume
Luminous
None

Movement

4 specs
Caliber
SW330-2
9R66
Type
Automatic
Spring Drive
Power Reserve
48h
72h
Complications
GMT
None

Pricing

1 specs
MSRP
$2,950
$11,500

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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.

Grand Seiko SBGE307

The Grand Seiko SBGE307 is praised for its unique "lion's mane" textured ivory dial and angular, modern titanium case featuring Zaratsu polishing. Reviewers highlight the aggressive, claw-shaped lugs and the contrasting hairline finishing, as well as the brownish-red GMT hand as a notable accent. The watch is powered by the 9R66 Spring Drive movement, offering a 72-hour power reserve and accuracy rated at +/- 15 seconds per month by one source, and +/- 1 second per day by another. It is priced at $10,700 USD and offers 200m water resistance. On balance, reviewers find the Grand Seiko SBGE307 to be a striking timepiece distinguished by its textured dial and sharp case finishing.

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