Seki Chevon Dive knife info

[Stone diver]

I have what looks to be a dive knife. The blade says Chevron, 440 stainless, Seki Japan.
The handle has a round brass insert that is stamped Guarantee Kmark knife. Overall length is 11”, blade just over 5 5/8”. Can not find any reference on any search?

 

[buckfynn]

Post a photo of the knife and tang stamp.

 

[KenHash]

Photos please