Omega Speedmaster Racing Co-Axial Chronometer Chronograph 326.30.40.50.01.001: a discontinued 40 mm stainless-steel watch with a black dial, black Clous de Paris subdials, black aluminum tachymeter ring, steel bracelet, calibre 3330, 52-hour reserve, and 100 m water resistance; introduced in 2012.
Open in The Dial Atlas