This is an authentic Omega Seamaster Aqua Terra watch strap (REF CWZ002522) that is made of blue Cordura/fabric on the top side and black leather on the underside. Your watch strap is 21mm wide where it connects to your watch and is 18mm wide where it connects to your buckle. Your longer strap piece is 11cm long and your shorter strap piece is 10.5cm long.

I have given you photos of your watch link from every angle. Please use them to add to this description.

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