Canvas or leather straps for Milgauss GV or Submariner

[kycha]

Hi,
i am new to his forum. Hopefully this question was not posted somewhere before (i have not browsed all the thread yet ).

Do you know any website or shop in Singapore i can buy the straps for my first Rolex? I like to use Canvas or leather straps on Milgauss for everyday use

thx in advance !