Lip "Duromat

Lip "Duromat", France. Produced in the 1970's.Fine self-winding, oval trapezoidal, stainless steel gentleman's wristwatch with date, retrograde hours and minutes. two-body, polished and brushed, trapezoidal bezel, flat top crystal with a semi-circular blue design bearing the signature. satiné blue with white Arabic numerals for the retrograde hours and minutes, aperture for the date. "Bâton" red and yellow hands. Cal. 577, rhodium-plated, 25 jewels, straight line lever escapement, monometallic balance, shock-absorber, self-compen-sating flat balance-spring.Signed on the crystal and the movement.Dim. 36 x 36 mm.