Glycine Airman SST GMT GL0312vsZelos Helmsman 2 300m
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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 GL0312
Helmsman 2 300m
Diameter
43mm
42mm
Lug-to-Lug
n/a
48mm
Water Resistance
200m
300m
highest
MSRP
$3,400
$649
lowest
Movement
Sellita SW330-2
Seiko NH35
Case
4 specsMovement
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Glycine Men's Airman SST GMT 43mm Automatic Watch GL0312 is praised as one of the best values for a Swiss automatic GMT watch. Owners note its 1970s reissue design, referencing the brand's hometown of Bienne, Switzerland, and the dial's two black shades representing AM and PM. This model is recognized as an early purpose-built dual-time zone watch. Overall, owners rate the Glycine Men's Airman SST GMT 43mm Automatic Watch GL0312 highly for its value and historical design cues.
The Zelos Helmsman 2 300m is praised for its aesthetically pleasing design, with one owner finding the titanium dial looks amazing in sunlight and considering the watch a keeper. It features a twin-crown design reminiscent of 1960s dive watches, with a CNC machined, sandblasted, and polished case, and is powered by the Seiko NH35 automatic movement. Some owners note the watch can feel top-heavy with sharp edges. One owner wishes changing the date was easier, as there is no midpoint in the crown, requiring the user to advance the date 22 days forward. Overall, owners rate the Zelos Helmsman 2 300m positively for its striking titanium dial and classic dive watch aesthetic.
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