An automatic medication injection device (20) including injecting progress indicators (82-85) visible along a periphery of the device housing (23). The injecting progress indicators include a flag element (100) which is movable as a drive mechanism (60) of the device advances a sealing plunger (58) within a container of medication (50). The injecting progress indicators are configured to indicate sequentially during a single injection as the flag element moves to cooperatively complete different injecting progress indicators at different times during the single injection, whereby injecting progress of the injection may be monitored by a user.