Hello Emmanuel,
Welcome to the forum!
I also think this is a later "devolution" of the kocet-kocetan hilt based on the common misunderstanding that it represents a horse...
http://www.vikingsword.com/vb/showthread.php?t=5909
The blade doesn't seem to be etched in Bali style - Lombok with a bit of Bugis influence?
Regards,
Kai