This watch mounts a 17 jewels movement, caliber 2634, with hacking stop. The stainless steel back case is in two pieces with a metallic ring that when adjusted presses into the backcase for improved water resistence.
See also #42 and #17 for the runner version.
Other transliterations: sportivniye
Original name in Cyrillic: Спортивние
Some pictures:


A detail of the swimmer on the dial:

Side view:

Backcase:

Movement views:

