Glycine Airman SST GMTvsTSAO Baltimore Balt-Pilot Worldtimer Dark Emerald
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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

Balt-Pilot Worldtimer Dark Emerald
Diameter
43mm
40mm
Lug-to-Lug
n/a
48mm
Thickness
11.6mm
lowest
15mm
Water Resistance
200m
highest
100m
Power Reserve
48h
n/a
MSRP
$905
$700
lowest
Movement
Sellita SW330-2
Seiko NH34
Case
8 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.
The TSAO Baltimore Balt-Pilot Worldtimer Dark Emerald is praised for its comfortable grade 2 titanium case, interesting lines, and detailing on the crowns, with exceptional rotor finishing for the price. Legibility is a concern, as the 24-hour ring and model name are difficult to read against the meteorite dial. One owner reported a gap between the case back and glass, and a crown that pulled out too easily, while another owner felt the watch punches above its weight class compared to other microbrands. On balance, owners are split on the TSAO Baltimore Balt-Pilot Worldtimer Dark Emerald, with praise for its finishing and comfort tempered by concerns over legibility and build quality issues reported by some.
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