The Seiko 5 Sports SRE021K1 is a compact timepiece featuring a 32.0mm stainless steel case with a thickness of 11.4mm. It is powered by the automatic Caliber 2R06 movement, offering a power reserve of approximately 40 hours and includes a stop second hand function. The watch has a dark blue dial with Lumibrite on hands and indices for enhanced visibility. It is equipped with a curved Hardlex crystal and a three-fold clasp with push button release. The SRE021K1 provides water resistance up to 10 bar and magnetic resistance of 4,800 A/m. Additional features include a screw case back and a day-date display. Reference number: SRE021K1.