From the watch description
A skeletonized design displays the mechanical movement, and a series of gold-tone alternating Arabic numerals and indexes bring at-a-glance precision. A deep black crocodile leather band comes equipped with a sturdy buckle-clasp closure. Other details include 41.5-millimeter case and a gold-tone stationary, stainless steel bezel. Characterized by its distinct beauty, this exquisite timepiece sets itself apart. Powered by automatic-self-winding movement, this watch is water resistant up to 165 feet.
Here's a link for more details on this automatic skeleton watch
with an extensive write up of Swiss watchmaker, Stuhrling.