WATCH WITH JUMPING AND RETROGRADE INDICATION, CIRCA 1900 Case: signed, n. 20901, four-body in gilded metal, dome signed Modernista, engine turned caseback. Dial: signed, gilded, minutes sector with retrograde indication, jumping hours, small seconds dial, spear hand. Movement: key-less winding, patent 27838 (by Mantaras Gabriel Lopez), lever escapement, bimetallic balance with screws, flat hairspring. Accessories: – Diameter Ø: 50 mm Note: working, but to be serviced.