Invicta 20155 subaqua noma iii gray dial 500m chrono s. s. watch for parts/repair watch is not running and no guarantees are as far as functionality. INVICTA 20155 SUBAQUA NOMA III GRAY DIAL 500M CHRONO S. This item is in the category Jewelry & Watches\Watches, Parts & Accessories\Watches\Wristwatches.