Power Reserve / Accuracy Approximately 6 months when fully charged (+/-15 seconds per month)
Crystal Sapphire crystal
LumiBrite Lumibrite on hands and indexes / LED lights
Case & Band Material Stainless steel case with calfskin leather band
Water Resistance 200m / 660ft diver’s
Case Size Thickness: 14.5 mm Diameter: 45.4 mm
Other Specifications Day, date and 24-hour display Power saving function Global radio-controlled UTC (Universal Time Coordinated) Perpetual calendar Chronograph Digital time World time Dual time Alarm Timer Insufficient charge warning function Overcharge prevention function
