Alpina watch seastrong diver heritage al 525s4h6 because air supply is always limited time spent under water is extremely precious to ensure the hours minutes and seconds can be easily read and as a reminder to divers to return to the surface in good time product designers not only provided their diving wristwatches with striking illuminated dials and hands but also incorporated a useful rotating bezel for safety reasons the rotating bezel can now exclusively be turned in an anticlockwi