5.5mm thick with original leather from the 1930's. Please order 1 extra size up for a perfect fit.
Mario Paci Special Edition the "Olterra" Legendary leather in Vintage style with sewn in Olterra Natural thick buckle. Made for both a Luminor or Radiomir.
Hand made in Castelfiorentino, Italy With a sewn in Olterra thick pre-V buckle...4.75mm thick