<https://artworth.ch/product/omega-cal-284/#product>
<http://schema.org/description>
"Maker: Omega\r\nYear: 1956\r\nModel: Omega Cal. 284\r\nCase Diameter: ca. 35.5 mm\r\nMovement: Omega Cal. 284\r\n\r\nThis is a pre-owned vintage watch, keep it away from water, humidity and sharp objects at all times.\r\nIt comes without original box, papers or warranty."
<https://artworth.ch/product/omega-cal-284/?add-to-cart=6087>