KEF develops wristwatch seal for ASTRONAUT’S use

Accuracy and reliability are important for use in space. This watch seal’s specifications are waterproof up to 1000 meter deep and must withstand temperatures of -20°C~+70°C. A product is developed using our newest raw material compound, proving high quality and reliability. Since Oct. 2008, astronauts have used this inside and outside of a spacecraft, and the exact time is displayed continuously.