SWISS MADE VERY FINE & CLEIN. SWISS MADE, MECHANICAL MOVEMENT. SIGNED »PRIMERO » INSIDE COVER DICE; »SANDOZ – LOOLE REMONTOIR ANCRE DOUBLE PLATEAU 15 RUBIS ».. THE CASE IS SIGNED « SILVER 0,800″. SIZE:diameter – 52mm. Excluding pendant and crown, thickness – 14 mm. NOTE; PLEASE SEE PICTURES FOR BETTER DETAILS.’ VERY RARE ANTIQUE WATCH MACHINE’. Thank you for looking!