Sinn Watch U1 SDR Vintage Cowhide Brown - Black

Sinn Watch U1 SDR Vintage Cowhide Brown 1010.040 Vintage Cowhide Brown.  When the Sinn U1 watch collection was first released, it completely redefined the requirements for diving watches with its superior resistance to extreme conditions of use. This Sinn U1 SDR watch takes things one step further with its unbelievably durable 44mm case crafted from genuine German Submarine Steel. This material is known for being extremely resistant to sea water and possesses the highest levels of non-magnetic properties, keeping the automatic movement within protected.