This is the first time I see one of these... it's a driver's watch by Alpina which goes on the side of your wrist so when driving one can clearly read the time without having to take your hand from the wheel... it looks very funky, very early 70's (like an Omega Flightmaster but smaller). The steel unpolished case measures 35x40mm. Movement is a high quality automatic Alpina / OW signed and working nicely. The original dial has a dark grey outer minute track and silver center. Attached is a racing style leather strap. Very cool watch for the true car / watch enthusiast.

Sold.