Orologio Pilota BYOP Navigator Seiko Automatico Zaffiro Svizzero C3 Lume
New BYOP Release Model for 2023! 1-Year Manufacturer Warranty: See details on BYOP website. Sapphire Crystals: To resist scratches or cracks, the front and back case glass use a sapphire crystal that are 1 step below a diamond in hardness.