Longines Master Collection Green Dial Men 40mm Strap Material:Stainless Steel The SpO2 sensor comprises an

The SpO2 sensor comprises an LED and dual photo bodies embedded on the back of the watch

Its genuine leather strap comes in a blue hue that elevates the look of the watch

The eye-catching design with second hand and date display ensures great visibility and an easy read

each Coutura is thoroughly contemporary in technology and design

Longines Master Collection Green Dial Men 40mm Strap Material:Stainless Steel The SpO2 sensor comprises anAs a traditional watchmaking company, Longines has been producing exceptional timepieces since the very beginning. Today, the Longines Master Collection is the perfect illustration of this corporate ethos, as can be seen from the success enjoyed by this range since it was launched in 2005.