GOLD CHRONOMETRE SUISSE WITH CHRONOGRAPH, 50S Three body tonneau anonymous 18K gold case, slopped bezel, concave lugs, snap on back, rectangular pushers. Not original strap and buckle.
Silvered dial signed, embossed Arabic indexes, minute and 1/5th of second divisions, subsidiary dials for small seconds and 30-min register, outer tachymetric scale. Gilt alpha hands.
Manual winding movement, nickel-finished caliber Landeron 48, metal dustcover, lever system for the chronograph, lever escapement, monometallic balance with screws, blued flat hairspring.
Diameter Ø: 37 mm 
Note: working, but to be serviced; reprinted dial.