80 years ago, a watch brand that the name is 10 thousand countries rolled out the chronometer with a far-reaching meaning, it was 1936 those who issue " special fund wrist expresses air man (Special Watch For Pilots) " , and its also are among the day later slowly those who evolved into brand mark sex, provide the big flying set of symbolic significance extremely. This 10 thousand countries wrist expresses perpetual calendar of air man series is to be in to the brand history of air man chronometer greets. Although already was peaceful time, old flying series also is to going straight towards design of direction of pure military affairs to make no longer, but the gene that it still is withholding precursor of air man chronometer, and the heart of a yearning blue sky. This 10 thousand countries on the combination that special fund wrist expresses perpetual calendar of air man series to pledge in surface color and material very give prize, give a person a kind of strong gent wind model. The watchcase of 46mm dimension size is made character with material of 18k rose gold, and dial color is slate gray, the tie-in all along of these two kinds of colour and lustre is wonderful, low-key in there is no lack of exalted breath, in the meantime, expressing what the place such as needle and markers uses as much is as qualitative as the capable person with same watchcase. Should go up automatically catenary machine core can provide power of train in excess specified length, oscillatory frequency is 4Hz, in the meantime, all functions all are adjusted through expressing a coronal, the pushbutton that does not have any other exists, very spell able, be full of concise beauty. What the interior of this watch is embarking is 10 thousand countries the newest product of oneself -- perpetual calendar of 7 days of Cal.52610 catenary machine core.