Lo de giup nguoi choi tiep can hinh thuc giai tri quen thuoc mot cach de dang. Nguoi choi co the tham gia nhanh chong. Dong thoi, he thong dam bao thong tin ro rang.

For a visual trip through time with a link watch that despite its link being nicknamed the Moonwatch, was a heck of a lot more than that, check out this look at Speedmasters being used for EVA (spacewalks) through the decades. Come for the story, but stay for the comments from a gent at Johnson Space Center who was kind enough to share some of the current (in link 2015) practices regarding the Speedmaster, as well as the X-33.