M & M automatic chronograph, stainless steel including stainless steel bracelet, on both sides sapphire glazed, contrast dial with 30 minutes- & 12 hour-register, date, 25 jewels, central rotor, incablock shock-absorber, base calibre Valjoux 7750, als Sichtwerk with decoration polishing & blued screws, diameter approx. 37 mm, length approx. 17,5 cm, 2 additional bracelet elements enclosed, condition 2-3