They measure about 1 and 9/16ths of an inch by 1 inch. It has a thin layer of patina due to age. The band width is for a 20mm watch.
They come with a Speidel stretch band. Band is not Sterling silver. I believe it is stainless steel.
Weight is 41.5 grams with the band included. This item is in the category "Jewelry & Watches\Watches, Parts & Accessories\Watch Accessories\Wristwatch Bands". The seller is "silvergoldjewelryshop" and is located in this country: US. This item can be shipped to United States.