1.) Yes, there is/was a Mission Antarctica. It was started by Robert Swan who incidentally, was also commemorated on a different Citizen watch produced around the same time as the Mission Antarctica. Here is their website:
2.) Citizen sponsored this expedition for a period. I'm sure that they did produce ads back in the day in probably Japanese publications, I've seen one in the past but it wasn't anything special and didn't really say anything.
3.) The watch was a limited production model, but there was not a specific number produced in either color. A number of years ago, a forumer actually emailed Citizen Japan and asked them this question. Citizen said they themselves did not even know the exact number produced. At some point on a forum a few years ago someone who didn't know, posted that 1000 number...I've actually seen 1000 of each color speculated as well as 500 of each and as things tend to do on the internet, fiction can slowly become accepted fact.
link niestety juz nie dziala, ale biorac pod uwage dzialanosci Swana, to byla to misja naukowo-edukacyjna. Citizen ja sposnorowal albo byl patronem; zdjecie pudelka:
Oprocz tego, Swan mial tez zegar jemu dedykowany, tez z serii Tough:
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