1986 SINN 144 Black PVD Tritium

Very rare SINN 144 PVD from 1986. Original Tritium dial & hands (Tritium = half time of 12,3 years). PVD Coating Overall in very good conditions. Some wear.to crown. Watch runs very accurate. 1986 Manual comes as copy along. Comes onbvintage  neutral black perlon dive strap as new.