Set Corone Tubi Guarnizioni Rolex Assortimento Acciaio e Placcato Oro Twinlock Daytona
Rolex Twinlock (Ø6.0mm): 2 x SS & 2 x GP crowns. These are not made by Rolex they are after market generic crowns made to fit Rolex, crowns do not have Rolex logo on them. Rolex Bubble (Ø5.3mm): 2 x SS & 2 x GP crowns.