What Is Tropicalized Watch?

The Hamilton Tropicalized Military Watch, produced between the mid-1960s and 1970s, is recognizable by its simple 36 mm stainless-steel case, black dial, and Arabic numerals.

What causes patina on watches?

The more a watch is worn (and the more exposure to sunlight and water), the faster your watch will age. The materials of your watch also play a large role in the appearance of the patina. Aluminum hands will wear faster than those treated for luminescence just as a leather band will show more wear than a metal one.

Why is it called a tropical dial?

The tropics were used to refer to dials which have been discolored by the sun, presumably because the tropics are places where a lot of sunlight exposure occurs. ... One of the most important reasons why “true” tropical dial watches are rare is because not all watch dials can become discolored.