The Marathon Survival Watch Band Clip-On Compass CO194004 will help find your way! Measuring a compact 30mm x 24mm, the Marathon Clip-On Compass CO194004 is small but precise with a jewel bearing. The integrated clip attachment allows for mounting the Marathon Survival Watch Band Clip-On Compass CO194004 on your watch strap, weapon sling, bag strap, etc. The Marathon Clip-On Compass CO194004 fits watch bands and straps between 18mm and 22mm and features a rotating bezel for navigation.