TISSOT T137.407.16.051.00 PRX Automatic Black Leather Strap Swiss Made Water ResistantProduct Highlights The PRX is a slim and smooth wristwatch that embodies the authentic atmosphere of the 1970s. Packed with 21st century functionality in a TISSOT case shape from 1978, the PRX is a must have model for watch enthusiasts who value design. The automatic movement, Powermatic 80, achieves reliability and precision through the innovative Nivachron hairspring, offering an 80 hour power reserve. Specifications Length: 39mm Width: 40mm