1990s Sinn Day-Date Chronograph Reference 144,Sinn 144.ST.SA Chronograph day date Black Dial Automatic Men's Watch_782996 | eBay,Sinn 144 St 41 mm Chronograph TRITIUM Automatik ETA7750 vintage BOX,Sinn 144 St Sa Bracelet 144.0661 - SeriousWatches.com,1990s Sinn Day-Date Chronograph Reference 144 - HODINKEE Shop