👑 Rare royal masterpiece - OMEGA TUNO 18K 👑 OMEGA Constellation with 18K and 750 stamp I believe it is gold plated Model 1968-1970, weight 60 grams, full original mesh strap Swiss automatic 712 movement - museum condition Watch size 28 Note: The watch needs maintenance to work Brand: Omega Watch Size: 34mm Material: Stainless Steel Movement Type: Quartz Features: Water Resistant