This is a beautiful Invicta Coalition Forces Abalone Iridescent Stainless Steel Watch.
Invicta Coalition Forces Abalone Dial Iridescent Stainless Steel 52mm 26507
Model 26507. Invicta Coalition Forces. The abalone dial creates a unique appearance, with no two watches looking exactly alike. Genuine abalone dial (each dial is unique). Iridescent (rainbow) ion-plated finish.