*A LANGE & SOHNE  Fully Automatic movement
*A LANGE & SOHNE  Genuine high quality leather band
*Hack mechanism - Second hand stops when crown is pulled out to adjust the time
*Unique Sub-dial, with fully functional sweeping second hand on sub-dial at 6oclock position
*See-through back
*All the appropriate A LANGE & SOHNE markings in all the appropriate places, including the clasp, dial, back