Glycine Airman SST GMTvsFormex Reef GMT

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Glycine Airman SST GMT at true scale

Airman SST GMT

Formex Reef GMT at true scale

Reef GMT

Diameter

43mm

42mm

Lug-to-Lug

n/a

47mm

Thickness

11.6mm

11.4mm

lowest

Water Resistance

200m

300m

highest

Power Reserve

48h

56h

highest

MSRP

$905

lowest

$2,235

Movement

Sellita SW330-2

Sellita SW330-2

Case

6 specs
Diameter
43mm
42mm
Thickness
11.6mm
11.4mm
Lug-to-Lug
n/a
47mm
Finish
n/a
n/a
Water Resistance
200m
300m
Caseback
n/a
n/a

Crystal & Dial

5 specs
Crystal Shape
n/a
n/a
AR Coating
n/a
n/a
Dial Color
Grey
Black
Indices
n/a
n/a
Lume
Luminous
Super-LumiNova

Movement

4 specs
Beat Rate
28,800 vph
0 vph
Power Reserve
48h
56h
Jewels
25
0
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$905
$2,235
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Glycine Airman SST GMT

Owners widely praise the Glycine Airman SST GMT for its comfortable wear, good build quality, accuracy, lume, historical significance, and ingenious GMT movement. The 24-hour dial and compressor-style GMT ring are highlighted as great features, and the watch is noted for keeping good time. Some owners expect Glycine branding on the Sellita SW330-2 movement rotor, and one owner experienced the watch stopping after a day on a winder with a rattling rotor, suggesting a service. The dial is considered busy by some, and it is harder to purchase than some alternatives. Overall, owners rate the Glycine Airman SST GMT highly for its comfortable wear and historical significance as a descendant of the original Airman.

Formex Reef GMT

Owners and reviewers widely praise the Formex Reef GMT for its impressive specifications and value, highlighting its unique porthole case shape and comfortable quick-release bracelet with on-the-fly micro-adjustment. The COSC-certified Sellita SW330-2 movement is noted for good finishing and reliable timekeeping, with a 56-hour power reserve. However, the watch's overall width and lug-to-lug span, particularly with male endlinks, are frequently cited as being too large for smaller wrists. Some reviewers also find the bezel action stiff and slippery, and the GMT model lacks a timing bezel option with lume. Overall, owners and reviewers rate the Formex Reef GMT highly for its robust construction and excellent specs at its price point.

From video reviewers

The watch features a COSC-certified SW330-2 GMT movement, which is visible through a sapphire crystal display case back and beautifully decorated. The watch's water-resistance of up to 300m/1000ft is a notable feature. The 42mm diameter may be too large for smaller wrists.