Product Name: Rubber Strap with Buckle, 20mm, Compatible with Rolex and Omega, Black, Aftermarket New Due to the buckle shape, it is distributed as "for Rolex," so it will of course suit Daytona, Submariner, GMT Master II, etc., and it is also suitable for Omega and other watches with a lug (belt) width of 20mm. Color: Rubber Strap: Black Buckle: Silver Strap Size: Lug Width: 20mm Length: Approximately 95mm/55mm Buckle Length: Approximately 42mm Specifications: It has a curved shape to fit the case, so there is no gap between the watch body when worn, and it looks very good. You can easily cut the grooves of the strap to fit the thickness of your wrist. There are groove holes in the buckle, so fine adjustments of about 4-12mm can be made.