This vintage Wittnauer 2000 Perpetual Calendar automatic wrist watch is all original including the band. Made in the 1970s, perfect size for today. The case measures 1 42.5mm in diameter. The band is set for 7 1/8″ snug. Midnight blue dial.
The dial is marked Japan, Y6404-013. The back cover is marked “Patent Pending”, it is an early manufacture. In excellent overall condition, runs very well.