Habring² Erwin White Lacquer (Pre-Order)Classy and complicated, the beauty of the Habring Erwin with white lacquer rivals some of the very best dress watches on the market. Though fully mechanical, the central seconds jump in one second intervals akin to a quartz movement. The reverse side reveals Habring's patented Manufacture A11S caliber which beats at 4Hz and carries approximately 48 hours of power reserve. A tangential screw is in place for fine adjustment and the anti magnetic