Seiko 5 Sports SRPD55K1 - 42.5mm Men's Automatic Black Dial Watch. Experience the excellence of Seiko 5 Sports with the SRPD55K1 - a robust, iconic automatic men's watch featuring a 42.5 mm stainless-steel case, black dial with day-date display, and in-house calibre 4R36 movement. Built for reliable everyday performance, it delivers sporty style, mechanical character and the durability Seiko 5 is known for.. Overview Key Highlights Automatic Movement Style & Versatility Attention to Detail Specifications. Experience the Excellence of Seiko 5 Sports. The Seiko 5 Sports SRPD55K1 combines the brand's legendary reliability with a modern, sporty design. Its 42.5 mm stainless-steel case, black dial and day-date display create a versatile everyday watch that feels at home in both casual and smart settings. With 10 bar (100 m) water resistance and Seiko's in-house automatic technology, it's built to handle active lifestyles with ease.. Why This Model Stands Out. Iconic Seiko 5 Sports design with robust 42.5 mm stainless-steel case.. Black dial with clear day-date window for everyday practicality.. In-house automatic movement (calibre 4R36) with approx. 41-hour power reserve.. 10 bar / 100 m water resistance suitable for swimming and everyday water use.. Stainless-steel bracelet and case for durability and a classic sport look.. Luminous hands and markers for legibility in low-light conditions.. Automatic Movement and Reliability. At the heart of the SRPD55K1 is Seiko's in-house automatic calibre 4R36, which winds itself through the motion of your wrist. With an approximate 41-hour power reserve, it offers dependable, low-maintenance timekeeping without the need for battery changes.. This mechanical movement is designed for everyday reliability, giving enthusiasts the satisfaction of a true automatic watch with the robustness expected from Seiko 5 Sports.. Unmatched Style and Versatility. The Seiko 5 Sports SRPD55K1 is more than a practical tool - it's a versatile style piece that elevates any outfit. The black dial, clean indexes and sporty case design work just as well with jeans and a t-shirt as they do with smart-casual attire.. The stainless-steel bracelet and case add a classic, masculine edge, making this watch a reliable companion for daily wear, weekends and everything in between.. Attention to Detail. Seiko has equipped the SRPD55K1 with practical features designed for real-world use. Luminous hands and markers ensure easy reading in the dark, while the Hardlex mineral crystal offers enhanced resistance to scratches compared to standard mineral glass.. This attention to finishing and functionality ensures the watch is ready for everyday adventures, making it a strong, long-term addition to any collection.. Specifications. Brand. Seiko. Model. SRPD55K1. Barcode / EAN. 4954628232076. Gender. Men. Case Material. Stainless Steel. Case Colour. Silver. Case Diameter. 42.5 mm. Dial Colour. Black. Movement. Automatic. Water Resistance. 10 ATM / 100 m. Band Colour. Silver. Band Material. Stainless Steel. Crystal. Hardlex mineral crystal. Functions. Day-date display, luminous hands and markers