{"product_id":"rolex-calibre-3135-intermediate-crown-wheel-core-212-new-sealed-package","title":"Rolex Calibre 3135 Intermediate Crown Wheel Core #212 - New Sealed Package","description":"\u003cdiv\u003eRolex Cal. 3135 Middle Crown Wheel Core – Part No. 3135-212 – Genuine NOS Blister Package\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003eGenuine Rolex Middle Crown Wheel Core, Part No. 3135-212, for the Rolex Caliber 3135 automatic movement. This is an authentic New Old Stock (NOS) Rolex factory movement part in original blister packaging, never installed or used. :contentReference[oaicite:0]{index=0}\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003eThe middle crown wheel core is a key component of the winding mechanism, supporting the intermediate crown wheel assembly and ensuring proper transfer of power during manual winding. Manufactured to Rolex's exact factory specifications, this original Swiss-made component provides precise fit, smooth engagement, and reliable long-term performance.\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003eIdeal for professional watchmakers, collectors, and restoration projects requiring genuine Rolex factory parts to maintain originality and performance.\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003eSpecifications:\u003c\/div\u003e\u003cdiv\u003e• Brand: Rolex\u003c\/div\u003e\u003cdiv\u003e• Part: Middle Crown Wheel Core \/ Intermediate Crown Wheel Core\u003c\/div\u003e\u003cdiv\u003e• Rolex Part Number: 3135-212\u003c\/div\u003e\u003cdiv\u003e• Movement Compatibility: Rolex Caliber 3135 and compatible 31xx family movements\u003c\/div\u003e\u003cdiv\u003e• Condition: Genuine NOS (New Old Stock)\u003c\/div\u003e\u003cdiv\u003e• Packaging: Original blister package\u003c\/div\u003e\u003cdiv\u003e• Swiss Made\u003c\/div\u003e\u003cdiv\u003e• Authentic Rolex factory movement part\u003c\/div\u003e\u003cdiv\u003e• Never installed or used\u003c\/div\u003e\u003cdiv\u003e• Ideal for Rolex repair, restoration, and maintaining originality\u003c\/div\u003e","brand":"Rolex","offers":[{"title":"Default Title","offer_id":48045419266100,"sku":"147443051671","price":110.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0770\/6096\/4404\/files\/10_7bc5d7b6-2392-41f5-af2c-0dfd589ebdc2.jpg?v=1784487482","url":"https:\/\/lercontime.com\/products\/rolex-calibre-3135-intermediate-crown-wheel-core-212-new-sealed-package","provider":"Lerc On Time","version":"1.0","type":"link"}