PHILIP STEIN® is the leader in watches and other lifestyle products using proprietary natural frequency technology. The company has acquired notoriety not only through their commitment to superior product and use of natural frequencies but also with a large celebrity following over the years including Oprah Winfrey saying it is "one of her favorite things" twice and regular customers like Rupert Murdoch, Madonna and many others.

Frequency Technology Philip Stein currently offers two technologies in its best-selling timepieces – Electromagnetic Frequency technology utilizing electromagnetic fields, introduced in 2003, and Natural Frequency Technology, introduced in 2008. Both technologies work within the same beneficial key frequency of 7-9 hertz, which encompasses the chief resonant frequency of the natural earth and is a frequency that is harmonious and grounding to life. Studies have shown that both technologies have similar results, and consumers have reported better sleep, less stress, clearer focus and better concentration when wearing Philip Stein watches regardless of the technology.