Glycine Airman SST GMT GL0309vsSeiko Monster SRP313J1

The Glycine Men's Airman SST GMT 43mm Automatic Watch GL0309 is widely praised as an excellent value for a Swiss automatic GMT watch. Owners highlight its design, referencing the brand's hometown of Bienne, Switzerland, and its cool re-release from the 1970s. Its historical significance as an early dual time zone watch, predating the Rolex GMT Master and popular with Vietnam veterans and early astronauts, is also noted. One airline pilot considers the Glycine Airman SST GMT 43mm their daily wear and the best pilot watch ever made. The dial's two black shades represent AM and PM, with the hour hand at 6 o'clock signifying noon. Overall, owners rate the Glycine Men's Airman SST GMT 43mm Automatic Watch GL0309 highly for its historical significance and exceptional value as a pilot's watch.

The Seiko Monster SRP313J1 is praised for its updated 4R36 movement offering hacking and hand-winding, and its bright LumiBrite lume. One owner notes their watch runs at +480 seconds per day. Another owner finds the "teeth indices" of second-generation Monsters more fitting to the "monstrous" aesthetic, considering the SRP313J1 sleeker. On balance, owners and reviewers find the Seiko Monster SRP313J1 appealing for its modern movement features and strong lume, though aesthetic preferences vary.