The Philip Stein Natural Frequency Technology is delivered to wearers through a metal disk inside the watch that has been infused with key frequencies in a proprietary process. When worn on the wrist, the watch exposes frequencies to the biofield – which is the master energy field that regulates the body’s functions – and informs the body to relax and become more resistant to stress. Studies have shown, better sleep, less stress, clearer focus and better concentration, for wearers of Philip Stein watches. Yellow goldtone case (32 mm x 50 mm, 11 mm thick), Stainless steel screw-in caseback with two sapphire crystals, Silver guilloche dial, Yellow goldtone luminescent hands, Yellow Arabic and Roman numerals and indices, Bottom dial displays an additional time zone, Sapphire-coated curved mineral crystal, Two Swiss quartz movements, Water resistant to 3 ATM/30 meters/99 feet, Brushed and polished yellow goldtone bracelet, Deployment clasp, Model number : 2GP-MWG-SSGP.