Home » Blog » Reply To: Interchangeability by calibre Reply To: Interchangeability by calibre The Shop › Forums › Tech Stuff › Interchangeability by calibre › Reply To: Interchangeability by calibre December 13, 2020 at 6:37 pm #1949 MarcoKeymaster Hi bud. Thanks for the kind words. Yes indeed. You can use the parts: 425, 430, 435, 440, 443 from Rolex cal. 620.