A 17-jewel, hand-wound watch made by Boma, featuring anti-magnetic properties. - Brand: Boma - Jewels: 17 JEWELS - Features: ANTIMAGNETIC - Back Material: STAINLESS STEEL BACK - Case Material: ALUMINUM Non-functional. Requires overhaul, parts, or for practice. I do not have specialized knowledge, so I have not confirmed its operation. Therefore, I am selling it as junk. Please purchase if you are okay with the current condition and understand that it is a used item that has been stored at home for a long time. Thank you for viewing.