Sinn U1

  • case reference U1
  • caliber ETA 2824
  • hours, minutes, seconds
  • self-winding movement
  • quick-set calendar
  • Case diameter: 44 mm
  • tegmented stainless steel
  • circa 2015
  • $2195

Sinn is known for their well designed tool watches.  The U1 is one of their most popular models.  The tegmented steel is a proprietary process that hardens the material making scratches unlikely and a handy candidate for rugged daily wear.