The watches feature a stainless steel bezel and a resin band.
Key features include shock resistance, 200-meter water resistance, world time, stopwatch, timer, and five daily alarms.
The models shown appear to be the black GM-2100-1A and potentially a lighter variant like the GM-2100N-2A or similar colorway.
They are known for their slim profile and Carbon Core Guard structure, making them a popular G-Shock series.