Description
This vintage Eterna Sonic Sevenday watch features an electronic tuning fork movement (Caliber ESA 9164) for precise timekeeping. With a day/date display, it combines retro charm with functionality. The stainless steel case measures 39 x 43.7 mm, paired with a matching stainless steel strap and a silver/gray dial protected by an acrylic crystal. In very good, fully working condition from the 1970s, it's sold unrestored and as-is—ideal for collectors seeking a unique, sustainable timepiece.
This description was freely adapted from the brand's original information. While we do our best, we cannot guarantee absolute accuracy. Please refer to the official Ebay product page for the most reliable information.