Nice collection of Tokima Robot Watches!!!! :D
I too am a collector of this type of watch (I've got 35 which I think is all of the types/colour/strap combinations that were released - apart from 2 :( )
Looking at the photos, the only type I can see missing is the Aquaboy that was released in 1984, but that one is really, really rare (although slightly more common than the Alarm Tokima - nice catch by the way!!!)
Give me a shout if you have any questions about this lot (or if you've seen a blue plastic one - I really need to find one of those :? )