This is a steel and gold watch with a diamond circle around the face and diamonds for the hours we bought it in approximately 1998
The face measures a little under 1 inch
Omega -Lady's Stainless Steel & 18ct Gold "Constellation" Quartz Wristwatch, Swiss, circa 1998
the model 1365.75.00 with 27.5mm case with mother of pearl dial with diamond set chapters and brilliant-cut diamond set bezel, quartz movement, sapphire glass, on a gold & steel bracelet.