R155SF307, Milgauss AR factory 3131 movement 39mm high grade silver/blue

Rolex Milgauss

Model No.: R155SF307

Size: 39mm

Movement: Automatic AR 3131

Material: Stainless steel 

Glass: Sapphire crystal

AR904 Swiss grade Milgauss blue dial. it has a cheaper grade 2824 movement SF125.