Smaller designs and genderless fashion with the same classic style in the Seiko 5 Sports watch. Seiko's Seiko 5 Sports watches are known for over fifty years of reliability, durability, performance and value. '5' represents the original five key features of every Seiko 5 still present today. The mechanism used is an in-house-built 2R06 automatic and manual winding movement. This caliber movement is complete with a 41-hour power reserve. The easy to read dial features lumibrite on hands and indexes.