You CAN force recalibration of the
compass but it does involve resetting all other features of the watch.
Hold top left, bottom left, top right and bottom right buttons in together for a few seconds, watch will display SUNNTO and switch off!
Then press the bottom left button, again watch will display
SUUNTO and switch back on.
You will then have to go through the setup of all the functions but they should be as they were when you switched off. When you then enter
compass mode for the first time it will ask you to hold it level and rotate.
Not ideal I know but the only way I've found of manually recalibrating.
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 | Compass |  | Compasses are sensitive, absolutely crucial instruments to precision navigation. The earth's magnetic field, inclination, and your longitude and latitude all influence the horizontal plane of a compass needle. As a result, compasses are balanced for different geographical zones. Suunto Compasses overcome this limitation to traditional compasses by using a simple 'Two Zone System'. With a Suunto Compass, the only 'balancing zones' are the northern and southern hemispheres. In addition to this innovation, certain Suunto Compasses come equipped with useful features like luminous needles and marks, centimeter/inch scales, magnifying glasses, clinometers, sighting notches, and more. | |  |
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