Up for sale is the very rare Seiko 6159-7010. This piece dates to April 1976 and is all original except for the replacement Z22 Band. Hand winding 36,000 BPH movement. The ceramic coating on the bezel has chipped off at the 7-8 position and a small chip at the 1. Lume on dial and hands is also original to the watch. Keeps great time with a few shakes or turns of the crown. See pictures for details.