Glycine Airman SST GMTvsGruppo Gamma Field III 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.

Airman SST GMT

Field III GMT
Diameter
43mm
40mm
Lug-to-Lug
n/a
48.5mm
Thickness
11.6mm
lowest
14mm
Water Resistance
200m
200m
Power Reserve
48h
highest
41h
MSRP
$905
$459
lowest
Movement
Sellita SW330-2
Seiko NH34
Case
5 specsCrystal & Dial
5 specsMovement
5 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
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.
Owners praise the Gruppo Gamma Field III GMT for its aesthetic appeal and quality for the price, with some noting only minor wear on the bracelet. The watch features a 40mm brushed stainless steel case and a box sapphire crystal. The Seiko NH34A movement is noted to have a 41-hour power reserve and an accuracy range of -20 to +40 seconds per day. Some owners find the lack of a date window a drawback for a GMT watch. Overall, owners and reviewers consider the Gruppo Gamma Field III GMT a good value, highlighting its aesthetic and build quality at its price point.
The watch offers excellent value for its price point and features a legible matte black dial. Reviewers did not cite any shared weaknesses.
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