Rolex balance wheel for calibre 2030 | 2035

Rolex balance wheel for calibre 2030 | no date and 2035 | date. First ladies and midsize generation | approx. 1970 to 1983, used in Lady Oyster Perpetual and Lady | midsize Datejust | 26 to 31 mm, e.g. 6917, 69173, 69178, 6827. Condition very good to mint.