The traditional blue steel arrow pointer is filled with ice blue super night light to ensure that it can be read clearly in the dark sky. Not only the pointer, but also the most environmentally friendly non radioactive luminous material super luminova is used to make the luminous surface. After being exposed to natural light for 10-20 minutes, the luminous surface can last for 4 hours in the dark.
Back penetration and movement
The Swiss polished ETA SA® Eta2892-2, which is carefully selected by the pilot, has a long-lasting performance and a power of up to 38 hours. The parameters of the movement are: size 11.5 Fmin, swing frequency 28800 VPH, 4 Hz, power reserve about 38 hours, and 21 gemstones.