Glycine Airman SST GMT GL0312vsProTek Watches ProTek Diver

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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 GL0312 at true scale

Airman SST GMT GL0312

ProTek Watches ProTek Diver at true scale

ProTek Diver

Diameter

43mm

42mm

Thickness

n/a

13.8mm

Water Resistance

200m

200m

MSRP

$3,400

n/a

Movement

Sellita SW330-2

Seiko 24-jewel Automatic (NH-class)

Case

4 specs
Diameter
43mm
42mm
Thickness
n/a
13.75mm
Lug-to-Lug
n/a
n/a
Lug Width
n/a
22mm

Movement

2 specs
Caliber
Sellita SW330-2
Seiko 24-jewel Automatic (NH-class)
Power Reserve
0h
n/a

Pricing

1 specs
MSRP
$3,400
n/a
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Reviews

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

Glycine Airman SST GMT GL0312

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.

ProTek Watches ProTek Diver

Owners widely praise the ProTek Watches ProTek Diver's tritium lume for its superior glow and aesthetic appeal, with one reviewer calling its anti-reflective coating "next-level." The watch is noted for its lightweight carbon composite body and a sport/tactical look from its black dial with red accents. One owner finds ProTek watches affordable, but questions the value given the movement used. Overall, owners rate the ProTek Watches ProTek Diver highly for its excellent tritium lume and lightweight build.