{"title":"Gruen","description":"\u003cp data-start=\"37\" data-end=\"483\"\u003eWatch parts listed as compatible with Gruen watches and movements. This collection may include genuine Gruen parts and aftermarket replacements, depending on the item; each listing notes what is known (markings, caliber\/part references when available) and what is included. Gruen is a trademark of its respective owner, and we are not affiliated with Gruen. Please confirm compatibility by caliber\/part details and compare photos before ordering.\u003c\/p\u003e\n\u003ch3 data-start=\"485\" data-end=\"533\"\u003e\u003cbr\u003e\u003c\/h3\u003e","products":[{"product_id":"vintage-lot-of-5-mechanical-watch-movements-for-parts-various-makers-gruen","title":"Vintage lot of 5 Mechanical  Watch Movements for Parts  - Various Makers - Gruen","description":"\u003cdiv\u003eVintage lot of 5 Mechanical  Watch Movements for Parts  - Various Makers\u003cbr\u003e\n\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003eAssume non-running\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003eAll have crowns and stems\u003c\/div\u003e","brand":"Various","offers":[{"title":"Default Title","offer_id":46784394723477,"sku":"Earnie - 2081 Pocket","price":22.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8784\/6293\/files\/57_68a1b5e6-76ff-4c8b-bcd5-4b23a7f25b78.jpg?v=1766697013"},{"product_id":"bulova-gruen-4ap-mainspring-nuvigor-no-29c-110-008-26-67-nos","title":"Bulova\/Gruen 4AP Mainspring – NuVigor No. 29C – .110×.008×26.67 – NOS","description":"\u003cp data-start=\"0\" data-end=\"88\"\u003eBulova\/Gruen 4AP Mainspring – NuVigor No. 29C – .110×.008×26.67 – NOS\u003c\/p\u003e\n\u003cp data-start=\"90\" data-end=\"335\"\u003eSwiss-made NuVigor mainspring for Bulova or Gruen 4AP. Package marked No. 29C with metric specs .110 width × .008 thickness × 26.67 length. Unused in original sleeve; end type not confirmed—please verify against your movement.\u003c\/p\u003e\n\u003cp data-start=\"337\" data-end=\"352\"\u003e\u003cstrong data-start=\"337\" data-end=\"352\"\u003eAttributes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"0\" data-end=\"95\"\u003e \u003c\/p\u003e\n\u003cul data-start=\"354\" data-end=\"771\"\u003e\n\u003cli data-start=\"354\" data-end=\"384\"\u003e\n\u003cp data-start=\"356\" data-end=\"384\"\u003e\u003cstrong data-start=\"356\" data-end=\"366\"\u003eBrand:\u003c\/strong\u003e NuVigor (Swiss)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"385\" data-end=\"409\"\u003e\n\u003cp data-start=\"387\" data-end=\"409\"\u003e\u003cstrong data-start=\"387\" data-end=\"396\"\u003eType:\u003c\/strong\u003e Mainspring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"410\" data-end=\"459\"\u003e\n\u003cp data-start=\"412\" data-end=\"459\"\u003e\u003cstrong data-start=\"412\" data-end=\"434\"\u003eModel\/Caliber\/Ref:\u003c\/strong\u003e For Bulova \/ Gruen 4AP\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"460\" data-end=\"511\"\u003e\n\u003cp data-start=\"462\" data-end=\"511\"\u003e\u003cstrong data-start=\"462\" data-end=\"476\"\u003eSize\/Spec:\u003c\/strong\u003e .110 × .008 × 26.67 (per packet)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"512\" data-end=\"572\"\u003e\n\u003cp data-start=\"514\" data-end=\"572\"\u003e\u003cstrong data-start=\"514\" data-end=\"555\"\u003eJewels\/Material\/Finish (as relevant):\u003c\/strong\u003e Tempered steel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"573\" data-end=\"617\"\u003e\n\u003cp data-start=\"575\" data-end=\"617\"\u003e\u003cstrong data-start=\"575\" data-end=\"607\"\u003eEra\/Approx. Year (if known):\u003c\/strong\u003e Vintage\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"618\" data-end=\"640\"\u003e\n\u003cp data-start=\"620\" data-end=\"640\"\u003e\u003cstrong data-start=\"620\" data-end=\"634\"\u003eCondition:\u003c\/strong\u003e NOS\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"641\" data-end=\"771\"\u003e\n\u003cp data-start=\"643\" data-end=\"771\"\u003e\u003cstrong data-start=\"643\" data-end=\"653\"\u003eNotes:\u003c\/strong\u003e Packet also lists Dennison 2 \/ 13 \/ 10½; unopened sleeve\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c!-- keywords: Bulova 4AP mainspring, Gruen 4AP spring, NuVigor 29C, 29-C, watch mainspring .110 .008 26.67, Dennison 2 13 10.5, Swiss mainspring, vintage watch parts, wristwatch mainspring for Bulova Gruen --\u003e","brand":"Bulova","offers":[{"title":"Default Title","offer_id":46933164261525,"sku":"Earnie 9\/19 - 3039 Spring","price":5.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8784\/6293\/files\/57_f994d56e-eb96-4061-81c6-59905def42be.jpg?v=1770304224"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8784\/6293\/collections\/s-l1600_efd9d6fc-8821-4c40-a6e0-429f381285f5.webp?v=1766972723","url":"https:\/\/falconwatchparts.com\/collections\/gruen.oembed","provider":"Falcon Watch Parts","version":"1.0","type":"link"}