Vintage 1948 BULOVA Tank Men’s 36mm Swiss Mechanical Hand Wind Watch, 21 Jewels, 10 Karat Gold Filled Case, New Vintage Tan/Brown Genuine Calf Sweat Resistant Strap. Fully Cleaned and Serviced. New Crystal Installed. Works Perfectly and Keeps Accurate Time (+-69 Sec/Day). Shipped via USPS Mail.