VOSTOK EXPEDITION EVEREST UNDERGROUND 

MOVEMENT: Multifunctional Seiko Epson YM8J
FUNCTION: Hours, minutes, seconds, date, chronograph, countdown, second time zone, 24hour sound alarm
WATER RESISTANCE: 20 ATM
GLASS TYPE: Hardened anti-reflective coated K1 mineral crystal
INDEXES AND HANDS MATERIAL: GTLS (Gaseous Tritium Lightning Sources) 15 tritium tubes for 24hour illumination
CASE: 47 mm, Stainless Steel blue PVD coated case with screw-in crown
STRAP: Leather strap, silicon strap and a Vostok-Europe multitool packed in water- and shock-resistant dry box