1968 Timex Mercury, Green Patina! 

Classic Timex, with "exploding numerals."
Hi, this is Alan. Thank you for reading. My contact info is at the bottom. Here is a 1968 Timex Mercury, that has acquired a "patina" of green on the dial, from oxidation. 
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Close look at the dial, usually a silvery/creamy color. Why the green? Well, many dials use brass as a base metal, over which coatings and laquers have been applied. Brass contains copper, and the dial can turn green due chemical reactions between the copper in those alloys and the atmosphere. The green is most often copper carbonate. This coloring is called a patina or verdigris. Unlike the rust that happens to iron-containing metals, where the chemical reaction "eats away" the underlying metal, and destroys its integrity, the oxidation of copper is a surface process that does not really destroy the metal so much.
The numeral are radially-arranged, and furthermore expand a little bit at the periphery, a kind of subtle "exploding" configuration. Just TIMEX, and a date code at the bottom of the dial. Sizable case. 
Nice look at the green patina, and at the numerals. Tiny little bumps in the dial are seen, tiny green nodules of copper carbonate, presumably. Notice how the outer aspect of the 2 and the 0 flare out a bit at the periphery. Nice touch, designers...
Model 1030, Movement 24, made in 1968.
Here is an image of the planet Mercury. It's a false-color image, based on x-ray, gamma-ray, and neutron spectroscopy, as recorded from the MESSENGER robotic spacecraft that orbited Mercury 2011-2015.  

So, although it's not an optical / real color image, it's the greenest image of Mercury that I could find.
https://www.instagram.com/gammaray999/Thanks for reading.

I hope you will like it.

Alan

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