NOS unused 1960s-1970s old-stock Swiss black SUB perforated high-quality classic diver watch band with stainless steel buckle. \*\*We also have this strap in yellow and white.\*\* The buckle is marked STEEL Made in Italy and is 16mm wide on the inside. The ends are 18mm, and nearly 5mm thick, tapers to \~3mm at the ends. Spring bars are included. The length measured end to end excluding the buckle is 7 5/8" (193mm). Excellent quality, the strap is very comfortable to wear. Thicker and much more flexible than a vintage Tropic brand strap. A vintage ad showing that these SUB straps are Swiss made is shown for reference, and strap shown with a Bulova divers watch as an example of fit. 46.909. $40/ea or 2 for $74 shipped tracked & insured in the USA. Send a chat for international purchase. Thanks, Scott timesofplenty