Marathon WW194013OL-0501 41mm Code Green Nav-D Special Edition Pilot's Quartz Casio G-Shock G-Steel Limited Edition Midnight In Tokyo GST200RBG-1A this is a vital instrument

this is a vital instrument for any diver

Crown: Screwed Down

Because the F77 never existed as a Chrono Mecaquartz before

6 applied diamonds and 3 rose gold plated indexes

Caliber: NH70

Marathon WW194013OL-0501 41mm Code Green Nav-D Special Edition Pilot's Quartz Casio G-Shock G-Steel Limited Edition Midnight In Tokyo GST200RBG-1A this is a vital instrumentRooted in in the 1986 Navigator design, this special edition Navigator with Date brings a bold new look to the Marathon Pilot's lineup. The watch draws its "Code Green" designation not only from the colour, but also as a nod to a tactical green light: operational clearance, mission active, go time. The composite fibreshell case minimizes weight while maximizing durability, and the high precision quartz movement ensures unmatched accuracy. A sapphire