The OMEGA Speedmaster Professional 42mm represents the pinnacle of horological achievement. This iconic chronograph, produced in 2018, carries the legacy of a timepiece that has graced the wrists of astronauts and adventurers alike. The robust 42mm stainless steel case houses a precision movement beneath a scratch-resistant sapphire crystal, while the tachymeter bezel enables accurate speed calculations. The distinctive dial features luminous hands and indices for visibility in any condition. Built for those who demand both heritage and performance, this Speedmaster Professional delivers timeless elegance with uncompromising mechanical reliability.