you buy what you see in the photo. no packing There are micro scratches on the glass that can be polished. but I didn't touch anything in it!.Heuer Stopwatch type Trackstar, 7 jewels
On the back: original sticker 
Ref. no: 603 ...?.Casenummer unknown because it is covered by the sticker. The sticker gives the following info: unbreakable spring??, shockresistant, antimagnetic.
Diameter 53,5mm
Depth: 19,9mm
Mechanical Stopwatch, unpolished original condition, dial is perfect, all functions working on first try, runs excellent.
More info on the internet.