Seiko Speedtimer World Athletics Championship Budapest 2023 Limited Edition. Designed for those who treat life as the ultimate adventure, Seiko Prospex keeps moving forward, meeting every challenge with technological excellence and winning design. As official timer of the World Athletics Championship Budapest 2023, Seiko presents this extraordinary commemorative Limited Edition, available only in a controlled-production run of 4,000, with the production serial number and the official logo for the Budapest Championship engraved on each screwdown caseback. CASE DIMENSIONS Diameter: 42 mm Thickness: 12.91 mm Length: 48.27 mm MOVEMENT Solar Chronograph Caliber 8A50 Powered by light energy - no battery change required 6-month power reserve once fully charged Dial Color: Black Gender: Men's Crystal Material: Curved sapphire crystal with anti-reflective coating on the inner surface