1 Series E81, E82, E87, E88, F20, F21. 3 Series E46, E90, E91, E92, E93, F30, F31. Reference Size: 68mm. ✔ 50th Anniversary style design. 5 Series E39, E60, E61, F10, F11. X Series X1, X3, X4, X5, X6.
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