Quartz
Caliber 9F61
Quartz
Accuracy: +/- 10 seconds per year
Three year battery
Magnetic resistance standard JIS class 2
Sapphire crystal with anti-reflective coating
Screw case back
One way rotating elapsed timing bezel
Titanium hands
Luminous hands and markers
Stainless steel case and bracelet
Double lock tri-fold with extender clasp
Screw down crown
Divers Water Resistance: Diver's Watch 200 meters (660 feet). Meets ISO standards and is suitable for scuba diving.
Case diameter: 42.7mm