Panerai Submersible 44mm IW357413 perforated calfskin strap perforated calfskin strap The Omega Seamaster Planet Ocean 600 m 43 The 44mm case is crafted from satin brushed AISI 316L stainless steel and features a unidirectional bezel and the signature crown bridge with a small seconds at 9 o'clock and a date display at 3 o'clock