Well, i couldn't say from just those photos.
I am also still curious about the naming. I see peninsula folks often calling these tumbuk lada, but other people claim that is a similar blade with a clunker handle (pepper crusher). We discussed this a little bit in my recent thread on the one i just acquired. I know this is a bit of the name game, but i am trying to determine is tumbuk lada and sewar are actually two different types of knife or just different names for the same kind of knife.
http://www.vikingsword.com/vb/showthread.php?t=25663