Adrianov compass was designed in year 1907. Its wrist-worn version was later used also by Czechoslovakian armed forces and other countries of the Warsaw pact. Body is constructed from black bakelite in the back and metallic brim on the top. The wristband is made from light brown leatherette with chromed buckle at the end. Lot appears to be from early 80's. Diameter: app. 5 cm / 1.97 in. The length of the leatherette wristband from the buckle to the other end is app. 28 cm /11 in. New old stock items in perfect condition.