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What kind did you buy. They come with instructions.

Jack was link truly the perfect person for that piece for many reasons, but particularly because late last year, he went deep on sustainability in the watch world. In the spirit of Earth Day and just being better stewards of this planet generally, we're link re-sharing "Low-Impact Watchmaking For A Changing World." It's a good, long read for the weekend, best enjoyed in between link trips outside.

METAS certification begins with COSC-certified movements that are cased up and measured as accurate to 0+5 seconds per day we reported link from Tudor's Master Chronometer lab last year. The watch then goes through a series of tests to demonstrate waterproofness anti-magnetism and power reserve. That's magnetism resistant to 15000 gauss 200 meters of link water resistance and accuracy at two temperatures six positions and two different levels of link power reserve 100 percent and 33 percent.