How replace the strap of U-Boat Chimera limited edition HELP!!

[giobdf]

Hello guys , I have a problem with the replacement of the strap of a u-boat U-51 chimera limited ed ...
does anyone know how remove the strap? It has a spring pin or I have to unscrew the screw
microscopic that there is on the sides of the loop?
:cry2::cry2:

TKS for your help!!!

 

[giobdf]

Hello guys , I have a problem with the replacement of the strap of a u-boat U-51 chimera limited ed ...
does anyone know how remove the strap? It has a spring pin or I have to unscrew the screw
microscopic that there is on the sides of the loop?
:cry2::cry2:

TKS for your help!!!

Problem solved!! Hex key of 1 mm!!:nerd: