U-Boat Classico 45 Tungsten Chronograph 45mm /Root/Start/Longines/Sport/HydroConquest The 44 mm stainless steel

The 44 mm stainless steel case gives the watch a distinctive presence on the wrist and consistently reflects the Carrera collection's storied motorsport DNA

The manufacture calibre MT5450-U is chronometer-certified and offers 65 hours of power reserve

Baume & Mercier Riviera (Reference M0A10714)

the proven manufacture calibre Breitling 01 operates at 28

U-Boat Classico 45 Tungsten Chronograph 45mm /Root/Start/Longines/Sport/HydroConquest The 44 mm stainless steelU Boat Classico 45 Tungsten Chronograph 45mm (Reference 3004) On this version, the crown is positioned on the left side of the case. This is a hallmark of U Boat and stems from the practice of wearing the watch on the right wrist there, a crown placed on the right presses into the back of the hand when the wrist is bent. The 45 mm titanium case keeps the weight manageable despite its size. The automatic movement operates at 28,800 vibrations per hour