This Omega Calatrava reference 2513-2 dates from the immediate post-war era and is presented in an unusually robust Plaque Or 80 microns gold-plated case. Its compact 33 mm proportions, 41 mm lug-to-lug and period acrylic crystal reflect mid-century wristwatch design and wearing comfort. Powering the watch is the hand-wound Omega 284 from the 30T2 family, a movement lineage valued for solid construction and dependable regulation. For the modern enthusiast this piece offers tangible mid-century character, mechanical craftsmanship and a wearable size that sits comfortably alongside contemporary collections.