Rare 1950s Omega cal 267 2890-4 Jumpo size 37 mm manual . Rare honeycomb dial ! Cal 267 based on 30T2 ( 30T4 PC AM antimagnetic) and actually famous Ranchero also based on cal 267 ! Watch only w omega strap . Accurate
https://www.vintagegoldwatches.com/product/omega-cal-267-18k-pink-gold/