Spring Drive Spacewalk

The SEIKO Spring Drive Spacewalk has been custom designed and built with Richard’s mission in mind. The mission of SEIKO’s engineers was to build a watch that was light, air-tight, strong, easy to read and easy to use, as well as safe and accurate.
The specifications below is for the watch, which performed flawlessly throught Richard's flight in space.

A limited commemorative edition will be launched in 2010. (For more details.)

  • Safe and Accurate:Tri-synchro Regulator
  • Air-tight:Special gaskets
  • Light:High-intensity titanium
  • Light and Large
  • Easy to Read:Dial layout and Lumibrite
  • Easy to Use:Oversized pushers and crown

Specifications

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.

Spring Drive Chronograph 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

For further details, please go to SEIKO Spring Drive site