Ladies Seiko Quartz "Onyx Octa" Circa. 1981Maker seiko Model 5931 5350 Movement quartz Dimension 22 x 24mm Glass Condition no glass scratches Dial Condition No dial corrosion Case Condition 9 10 with minimal sign of use Waterproof As they are Vintage pieces, please do not fully submerge the watch and minimal contact during hand washing Watch Summary The ladies variation of a very rare seiko quartz variation from the early 80s, before the formation of the dolce and exceline line line. a lacquer