enabling to measure distances thanks to the speed of sound (Celsius/km scale)

This Hirsch Boston L Strap 130205022  features a color black strap made of Calf Leader with a strap width of 22mm

the ECB-800D

It uses the Swiss-made Ronda Z60 quartz chronograph multifunction movement

Paired with a beige genuine leather strap

Bulova Maquina Men's Black Watch Tranparent (Case) enabling to measure distances thanksFrom the Classic Collection, this timepiece showcases timeless elegance. Housed in a stainless steel case with a gold tone crown, the watch features an open aperture black dial adorned with gold tone accents, luminous hands, and markers for enhanced visibility in any light. Powered by automatic movement and protected by scratch resistant sapphire glass, it includes a stainless steel bracelet and offers water resistance up to 100 meters.