Marathon 41mm MaraGlo™ Black Navigator w Date (NAV-DM) Ballistic Nylon WatchThe MaraGlo™ Pilot's Navigator with Date (NAV-DM) is designed to provide pinpoint accuracy for pilots, parachutists, and everyday adventurers. The hour indices and hands utilize MaraGlo™ luminescent paint, delivering a bright glow that will shine for up to 8 hours.  Movement: ETA FØ6 High Torque QuartzNo of Jewels: 3Scale Quantity: 2Scale Range: 1-12 (13-24)Calendar Type: DateLuminous Features: MaraGlo™Crystal Material: SapphireCrown Type: PressureCase Material: High-Impact Composite FibreshellCase Finish: MatteBezel Type: Bi-DirectionalBezel Scale: 12 HourSubmersibility: 6 ATMCase Diameter: 41mmCase Thickness: 13mmLug Width: 20mm