This bracelet gold on steel and stainless steel was made in the USA for Omega . Made by J.B champion . Have not any idea which model it fits . I have had it for a short time . It is in a good condition and no stretch . It's 14,5 cm so a little short . The clasp is 16,5 cm and the ends are 17,5 cm . It was ok on a F300 with my 18,5 cm wrist . Have two modified end links to fit an Omega F300 and one "original golden end link . The clasp has been polished at the end sides but looks really smart . So it's golden in the middle and steel at the ends ..A little scratches here and there but it shines a lot . I will try to answer any questions u have and feel free to write in the ad or take pictures . I want $75 for it plus shipping