http://www.azfinetime.com/Seiko-Spring-Drive/Seiko-Spring-Drive-SpaceWalk-Limited-EditionSEIKO SPRING DRIVE SPACEWALK LIMITED EDITION The Seiko Spring Drive Spacewalk Limited Edition watch is the first
watch in the world specifically designed to withstand the rigors and
extremes of space travel. Only 50 of these extremely special watches
will be released to the public worldwide.
Seiko Spring Drive Spacewalk was specially designed for Space tourist
and renowned video game designer, Richard Garriott. This watch was
designed to help build awareness of the need for more private Space
exploration.
Constructed using High-intensity Titanium for the case and Sapphire
crystal with anti-reflective coating, the 52mm Spacewalk performed
flawlessly during its time onboard the ISS and during an EVA of over 5
hours.
Spacewalk limited edition will have the serial number engraved on the
case back and will be offered in a customized presentation box. The
production model has a screw-in crown for security and includes 2
Elastic nylon straps with 1 titanium clasp and Velcro fastening.
Based on the Seiko Spring Drive Caliber 5R86, Spacewalk has a 12 hour
Chronograph function, 72 hour power reserve, Hour minute and second
hands with calendar plus a GMT indicator and power reserve function.
* Caliber: Spring Drive Chronograph 5R86
* Case: High-intensity Titanium
* Diameter: 53.0mm (12-6h) , 48.7mm (3-9h)
* Thickness: 15.2mm
* Weight: 92.5g
* Glass: Sapphire crystal with anti-reflective coating
* Water resistance: 10 Bar
* Bracelet: The final specification is yet to be decided. SEIKO is now
working with the Russian Federal Space Agency on the optimum design. Caliber 5R86 : * Hour, minute and second hands with calendar
* GMT hand
* Power reserve indicator
* 50 jewels
* Movement Diameter : 30.0mm
* Thickness : 7.6 mm
* 416 parts
* Power reserve : 72 hours with/without chronograph function in use
* Chronograph to 12 hours