{"product_id":"c1954-serviced-vintage-rolex-oyster-speedking-6221-30mm-cal-710-boys-watch-1614","title":"c1954 Serviced Vintage ROLEX Oyster Speedking 6221 30mm cal.710 Boys Watch #1614","description":"\u003cp\u003e30mm boy's size! Please read the description carefully!\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCondition Rank : Good  \u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e(Full serviced on August 18, 2026)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e[Description of services]  \u003cbr\u003eFull disassembly, cleaning, inspection, lubrication, and assembly.\u003c\/p\u003e\n\u003cp\u003e[Originality Verified] - Mixed  \u003cbr\u003eThe Rolex Oyster Speedking retains its original-looking dial, movement and hands. The smooth bezel and later “-” crown appear to be replacements; Ref. 6221 is usually associated with an engine-turned bezel and earlier “+” crown.\u003c\/p\u003e\n\u003cp\u003e[Features]  \u003cbr\u003eRef. 6221 \/ cal. 710 (non-hack) \/ 18,000 bph \/ 30mm case \/ 17mm lug  \u003cbr\u003eYear of manufacture: c. 1954 \/ Serial No: 25xxx  \u003cbr\u003eNon-waterproof.\u003c\/p\u003e\n\u003cp\u003e[Collector’s Notes]  \u003cbr\u003eThis early Rolex Oyster Speedking has a beautiful honeycomb-textured dial with strong natural patina and a blued-steel seconds hand.  \u003cbr\u003eThe manually wound cal. 710 is part of the charm of these small 1950s Oyster Speedking watches.\u003c\/p\u003e\n\u003cp\u003e[Dial] : Patina  \u003cbr\u003eIt appears original. No clear signs of redial, repainting, or relume.\u003c\/p\u003e\n\u003cp\u003e[Hands] : Good  \u003cbr\u003eThey appear original, with no clear signs of replacement or relume.\u003c\/p\u003e\n\u003cp\u003e[Crystal] : Good  \u003cbr\u003ePlexiglass.\u003c\/p\u003e\n\u003cp\u003e[Case, crown and back of the case] : Good  \u003cbr\u003eAge-related wear is present. Crown screw-in is good (approx. 0.7 turns to unlock). Serial engraving is readable. Inside caseback shows 6220 crossed out and corrected to 6221.\u003c\/p\u003e\n\u003cp\u003e[Band] : New  \u003cbr\u003eNew aftermarket leather strap, not Rolex.\u003c\/p\u003e\n\u003cp\u003e[Action] : Good  \u003cbr\u003eHand-winding and time-setting work properly.\u003c\/p\u003e\n\u003cp\u003e[Accuracy] : Fair  \u003cbr\u003eAllow approximately -2 to +2 min\/day in actual use due to positional variation. Timegrapher shown at +34 sec\/day.\u003c\/p\u003e","brand":"Cadran Patiné","offers":[{"title":"Default Title","offer_id":67626037346601,"sku":null,"price":310000.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/6191\/6457\/files\/DSC05954.jpg?v=1791955181","url":"https:\/\/cadran-patine.com\/products\/c1954-serviced-vintage-rolex-oyster-speedking-6221-30mm-cal-710-boys-watch-1614","provider":"Cadran Patiné","version":"1.0","type":"link"}