From the 1960s to 70s. This one is 19mm wide. 8 3/8 inches long end to end, back to back including the buckle. Some wear to the package from storage. You dont see these to often in this shape.
This strap would look great on your retro vintage divers watch. Please check out my other auctions for other fine vintage pocket & wristwatches. Thanks for your interest and good luck! The item "RARE 19mm VINTAGE TROPIC GREY NOS DIVERS WATCH STRAP BAND CURVED 1960s SWISS" is in sale since Tuesday, October 13, 2020. This item is in the category "Jewelry & Watches\Watches, Parts & Accessories\Watch Accessories\Wristwatch Bands".
The seller is "adtpcs" and is located in Glendora, California. This item can be shipped worldwide.