Philip Stein has attracted an impressive celebrity following for use of frequency technology in its timepieces -- which contribute to better sleep, less stress, clearer focus and improved concentration while wearing the watch. This stunning dual time zone watch features a stainless steel case, 5-ATM water resistance, white silk calf band, white & black pave diamond mother of pearl dial, and double curved spherical Sapphire crystal with anti-reflective coating. Swiss made.