25+ years ago I worked for an offshore construction company and once had to go out to a pipelay project north of the Yucatan—a six hour trip. On a flat sea with the only motions of the crewboat being its riding its own bow wave, I got queasy. So I sought someplace where I could see the horizon—this gave me relief. Later working for an oil company out of Venice, LA, taking the crewboat meant that weather was terrible and helicopters were not running. Then, I’d take Dramamine and try to go to sleep below near the center of gravity where the motions were the least. Bonine seems to work too.

Magellan travel sells a BioBand strap with a button imbedded in it-- http://www.magellans.com/store/Health___Hygiene___First_AidIF376?Args –13USD for a band and button. They say just one strap is needed and to switch it between wrists occasionally. The strap is basically the same as those that come with a SUUNTO® CLIPPER CLIP-ON COMPASS, LUMINOUS WHITE BEZEL except the buckle that the Velcro band slides through is plastic (nonmagnetic) on the compass while the BioBand’s buckle is metal. But, in the profession you have chosen, you may not want to advertise you problem. Why not just fasten a pressure button inside your watchband? I have not been fortunate enough to try the strap yet.

Also, I have read that there is not much magnesium in our diets. Magnesium has been absorbed from the soil by crops over the years and not replaced in fertilizers as it does not make crops larger, grow faster, or more attractive. Thus, you might want to take an Mg supplement (along with a multivitamin/mineral) with you. I believe that Vitamin (organic catalyst) B6 helps the body put the Mg where it is needed. I think B6/Mg is prescribed to expectant mothers: Is there a doctor in the house to correct me if I am wrong?