Likely uses a sort of Futaba Simplified Complicated switches (thanks DanielBeardsmore). Including one lock switch.
DSC_1647
DSC_1648
DSC_1655
DSC_1656Sadly, those dots seem to be printed on.
DSC_1662Lock switch
DSC_1666Yep, that's TI, Futaba and Sei-jin all on the same PCB
DSC_1688Flickr Album