Vintage Optima 21 Jewels Antimagnetic Swiss Made 10k Gold Filled Women's Watch

Optima 21 Jewels Antimagnetic Swiss Made 10k Gold Filled Vintage Women's Watch Mechanical windup in working order Speidel expansion bracelet band I've been unable to get the back off so 1960s is an estimate. It may be older or newer than this. Markings: Please reference photos Vintage: Signs of aging and wear due to age and usage. Please reference photos for condition. Item(s) sold and shipped as pictured.