Automatic 4R36 movement ensures self-winding reliability for worry-free daily use
100m water resistance provides swim-ready protection for water sports and swimming
Bold black dial offers versatile styling suitable for both casual and formal occasions
Unidirectional rotating bezel aids in accurate lap timing for swimming and cycling
Lumibrite hands and indexes enhance visibility in low-light conditions
Summarized by Shop
Seiko 5 Sports SKX series. For over 50 years, Seiko 5 Sports has delivered consistently high levels of reliability, durability, and performance. Powered by the caliber 4R36, an automatic movement with manual winding, 24 jewels. The power reserve is approximately 41 hours. The stainless steel case measures 42.5 mm across and 13.4 mm thick.