Bulova Lunar Pilot Chronograph Specs: *Quartz movement with a frequency of 262 kHz *Super-luminous hands and markers *Anti-reflective sapphire glass *Tachymeter and calendar all housed in a sandblasted solid 316L surgical-grade stainless steel case in silver-tone with black dial *Two interchangeable straps are included -- one a textured black leather; the other, a black nylon with a nubuck leather patch that commemorates the date of mission (DOM) as 08021971.