Speedmaster Racing 44.25 mm Collection_Longines Primaluna This 25 mm 18K yellow

This 25 mm 18K yellow gold and stainless steel model features a diamond-paved bezel

The black ceramic bezel and steel case are built to go further

In terms of manufacturing difficulty

24 hours hand with time zone mechanism

Speedmaster Racing 44.25 mm Collection_Longines Primaluna This 25 mm 18K yellowThis Speedmaster Racing Master Chronometer model features a 44. 25 mm stainless steel case and bracelet with a black ceramic bezel ring that includes the famous tachymeter scale filled with white enamel. On the white dial, there is a distinctive racing style minute track which gives the watch its name. There are also two subdials with blackened applied rings as well as a 6 oclock date window that blends with the colour of the dial. The hour and minute