Knowing this it makes sense that the original Antarctic was manufactured with advanced lubricants capable of withstanding the low temperatures while
link maintaining timekeeping accuracy. Over the years the Antarctic relinquished its exploratory purpose-built roots and became more or less just a good sounding name Nivada would stamp on dials. This is why you see countless variants of
link the Antarctic
link if you poke around a little bit divers GMT watches funky square-cased things etc.