The composition of the buckle is the view of the submariner sailor through the porthole to the sea depths. The arrow "up" on the spike of the buckle represents the hope for a successful ascent of the boat, and the slogan is the belief in the reliability of Panerai watch.
Waves, bolts and the main surface of the buckle are polished. The background is blackened. Pin on the thread.
Brass, on the strap 24 mm, spike 3 mm.