Rolex Explorer I 1016, 6150, 6350, 6610. Acrylic Tropic-Style Rolex Watch Crystal – 31.08mm. Rolex Tool / Specialty 5518, 6352, 6353. A hallmark crystal size used on classic Explorer references. Photo shown is for illustration only – the crystal pictured is an example, and the supplied crystal may vary slightly in shape or profile while matching the stated size.
