2011年1月5日星期三

replica Blancpain 4082-3642-55B Men's watch on both of these

The second generation in space.Richard Garriott is not only a remarkable entrepreneur and adventurer (see biography below) but he is also the son of a NASA astronaut. Richard's father, Dr. Owen Garriott, made two space flights, aboard Skylab in 1973 and aboard STS- 9/Spacelab-1 in 1983. In total, Owen spent 70 days in space and he carried replica Blancpain 4082-3642-55B Men's watch on both of these flights and wore 1 continuously throughout his Spacelab mission. His trust in SEIKO was inherited by his son, and so it was natural that Richard should contact SEIKO as soon as his mission was arranged. Richard and SEIKO will be the very first "second-generation" space partnership.

Why SEIKO Spring Drive? The challenge ofa watch that could operate not only during a space flight but also outside on a spacewalk is a daunting 1, and is precisely the kind of challenge that brings out the very best in SEIKO's engineers. replica Blancpain 2125-5230M-53B Men's watch The 1st decision to be made was on the type of movement to be used. Without special treatment, battery-operated instruments are not appropriate for a spacewalk for safety reasons. Thus, quartz movements had been not considered.The choice was therefore between mechanical and Spring Drive. The choice was decided by the need for safety and accuracy.

As the watch will be exposed to a range of temperature from minus 20 degrees Celsius to plus 70, accuracy at extreme temperatures was the critical factor, and no mechanical watch can retain its accuracy in these conditions, because of the inherent instability in these conditions of the traditional escapement which regulates the time in all mechanical watches. Instead of a traditional regulator, Spring Drive has a Tri-synchro replica Blancpain 4246F.3642.55B Men's watch Regulator, an entirely new regulator that uses and generates mechanical, electrical and electromagnetic power, and is less affected by temperature variations. Thus, Spring Drive was selected as the perfect mechanism for the task.

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