| 摘要 |
<p>The inventive timepiece, in particular a wristwatch (1) is used in the form of a navigation aid for pilots and navigators and is characterised in that it comprises at least two concentric bezels (38, 46) one of which (46) is at least rotatable and provided with first indications (48) corresponding to an aircraft, respectively a ship, speed and the other bezel is provided with indications (50) related to an wind correction course to be applied. Said timepiece also comprises an abacus (58) for calculating the course correction which is arranged on the timepiece (1) back or a separate card.</p> |
