D I A L :   original silver color dial with applied silver tone battons and arabig numbers. Dial signed CAUNY PRIMA 17 RUBIS at twelve, ANTIMAGNETIC, INCABLOC, SWISS at six. DATE window placed at six o'clock. Original silver tone hands (see pics, please). 

C A S E :   Original sober case with stainless steel back cover, signed CAUNY PRIMA FOND ACIER INOXYDABLE, SWISS MADE, 33 57 187  outside  (see pics, please).

 M O V E M E N T :   Original mechanical with manual winding movement, rare caliber LANDERON 187, signed CAUNY, 17 RUBIS, SWISS.
 
 W O R K I N G   O R D E R :   Yes,  it is in running order, chrono feature works properly. 
 
 B R A C E L E T / S T R A P :  20mm black color leather strap with silver tone buckle.
 
 M E A S U R E S :   39.50mm wide including winding crown, 37mm diameter without winding crown, 44mm lug to lug.   

  A G E :   1970'ies
 
G E N E R A L  CONDITIONS: Very good+ general conditions, please refer to the pictures.