GO1  Glashutte Original Senator Navigator Chronograph. Reference 139-34-17-17-04. Watch measures a fantastic 44mm and is made from brushed steel. Automatic GO manufacture in-house movement caliber 39-34 which provides for 40 hours of power reserve and has a 22k yellow gold rotor. Sapphire crystals on both sides of the case. Waterproof 5ATM or 50 meters (NOT suitable for swimming!). Functions are hours, minutes, sub seconds and chronograph. This watch is fitted with the original brown calf skin leather strap with steel pin buckle. An extra brand new original brown calf skin leather strap is catered in the box. Naturally this watch is complete with the original box and papers dated May 2014. All service papers are available with the set (full service last year and a service check this January). Hard to find the most desirable 44mm version of this watch completely serviced and with an extra strap! SOLD