i saw this recently for sale. an E873 Speedbeat GT from 1972. pic courtesy of chrono.24

a definate 70's style cushion case. i 'think' i prefer a round case, but not sure. i do wonder though if the shape of the case changes the sound of the alarm. does anyone know whether that might be the case(pun intended).?
i really feel that it might be time to look for one, so many choices, so many movements. its a minefield.
great review Nicolas. it would be excellent to have a full review of every movement made and the periods etc. i suspect that i a task too large.
best
Graham