Vintage Sheffield Mechanical hand wind watch with 14" gold filled box chain

Vintage 70's - 80's necklace Pendant Sheffield Watch Gold Filled. Chain can be adjusted to various sizes to fit accordingly. It adjust to 14" in size down to 9". Watch is 1 7/8" Long X 1 5/6" Wide X 3/16" Deep. Winding the watch 10 turns will last about 11 hours. Could have wound it more but decided not to. "Excuse my photos, bad lighting"