20mm X 10mm IN CASE TEETH
HIGH QUALITY BLACK RUBBER STRAP WITHOUT THE BUCKLE
FIT MUST 21 AUTOSCAPH CHRONOSCAPH
18mm WIDTH AT THE BUCKLE END SO IT GETS 18MM DEPLOYMENT BUCKLE
PLEASE CHECK YOUR ORIGINAL STRAP DIMENSIONS AND COMPARE WITH THIS IN MY LISTING
SHIPPING BY REGISTERED MAIL ONLINE TRACKABLE
ITS AN AFTERMARKET STRAP NOT MANUFACTURED BY CRTR COMPANY