Longines
- ID o1991
- Model Nautilus
- Ref. 6921
- Dial Black
- Glass Plexi
- Movement Automatic
- Calibre 19AS
- Material Stainless steel
- Size 40
- Year 1959
- Condition Very good

Longines Nautilus, steel diver, black dial, bakelite bezel, screw back with engraved logo. Self winding, Cal. 19AS. With Extract from the Archives.