Just a guess:Jan 03,1976. About 40 years if i'm right. Long time.
Could be coded in the model number like you say. Idk for sure. Some manufactures code that info into the serial number. Your serial number is ymj010376.
Could be coded in the model number like you say. Idk for sure. Some manufactures code that info into the serial number. Your serial number is ymj010376.
