Presented here, a rare 30mm BABY-CHRONOGRAPH signed LONGCHAMP on beautiful White color enamel (porcelain) dial (see pics, please). This is a one-minute-counter chronograph!. 
Case is made of silver color metal with stainless Steel snap back cover, which is numbered 285983 inside. Case diameter without Crown or pusher, is 30mm.
Original mechanical with manual winding movement with column-wheel (see pics, please).

ESTIMATED AGE: CIRCA 1930.

GENERAL CONDITIONS: very good general conditions (please, refer to pictures).