Seyit was born in Camlik village of Havran, in 1889. Seyit conscripted in April 1909. He joined the Balkan Wars in 1912. After the war was ended, he has not been discharged and recruited for the Canakkale forces, as a gunner.

During 18 March Naval War, there was only one battery standing, on Mecidiye forts located on the European side. However, its shell crane was heavily damaged. Corporal Seyit with an unbelievable strength lifted the shell which was 275 kg, for three times and positioned into the battery. This heroic strength of Seyit seriously damaged the Ocean.