Casio G-Shock CasiOak GM-2100 Metal Bezel Black Analog Digital Watch
A modern G-Shock icon with classic octagonal styling. This GM-2100 “CasiOak” combines a solid stainless steel bezel with G-Shock’s legendary durability and a clean, stealthy dial layout. Worn lightly and well cared for — tough, functional, and ready for daily wear.
Authentic Casio G-Shock GM-2100 (“CasiOak”)
Stainless steel metal bezel (brushed finish)
Analog + digital display
Shock Resistant construction
200M water resistance
Super Illuminator LED backlight
World Time, Stopwatch, Timer, Alarm
Day / Date display
Black resin strap
Japan quartz movement
Fresh battery installed – watch is fully functional
Overall great pre-owned condition
Crystal is clean and clear
Case and bezel show light wear, including a visible scratch/mark on the metal bezel (see photos)
Strap is in very good shape with no cracks or damage
All buttons function properly
Backlight works as intended
This mark is cosmetic only and does not affect performance — a perfect example of honest wear on a real G-Shock metal bezel.
Watch only (no box or papers)
The “CasiOak” has become a modern classic — slim for a G-Shock, aggressive yet refined, and incredibly versatile. The metal bezel version adds weight, durability, and wrist presence while keeping that unmistakable octagonal G-Shock DNA.
Perfect for daily wear, casual outfits, or as a tough, reliable grab-and-go watch.
Casio G Shock, CasiOak, GM2100, GM-2100, Metal Bezel G Shock, Analog Digital Watch, Octagonal G Shock, Men’s Sports Watch, Tactical Watch, Shock Resistant Watch