Seiko 5 Sports SRPD55 The Seiko 5 Sports SRPD55 combines Seiko’s long-standing reputation for reliability and durability with a versatile sport-inspired design made for everyday wear. Part of the Seiko 5 Sports collection, the watch features a bold black dial framed by a matching black unidirectional rotating bezel, creating a classic, understated appearance. LumiBrite hands and markers provide clear visibility, while the practical day/date calendar adds everyday convenience. Its stainless steel case and bracelet complete the robust yet adaptable design. The SRPD55 is powered by Seiko’s Caliber 4R36 automatic movement, offering both automatic and manual winding capabilities, 24 jewels, a frequency of 21,600 vibrations per hour and an approximately 41-hour power reserve. Measuring 42.5mm in diameter, 13.4mm in thickness and 46mm in length, the watch has a substantial presence on the wrist while retaining a wearable profile. A Hardlex crystal protects the dial, and the see-through caseback provides a view of the mechanical movement. With 100-meter water resistance, the SRPD55 is designed to deliver dependable performance across a wide range of everyday activities.