An exceptional vintage Omega Cosmic, ref. 2486-1, featuring a refined stainless steel case of approximately 37 mm with elegantly downturned lugs. Dating from the mid-20th century, this rare and sophisticated timepiece showcases a silvered dial with applied Arabic numerals, an outer date track with a central blued-steel calendar hand, and twin apertures displaying the day and month. The moonphase indication at 6 o’clock, combined with subsidiary seconds, adds a captivating astronomical touch to its intricate calendar display. Powered by a hand-wound mechanical movement, this remarkable Cosmic embodies Omega’s technical ingenuity and timeless mid-century design. A distinctive collector’s piece, highly appreciated for its elegant proportions, complex complications and enduring vintage appeal.