{"product_id":"westclox-factory-time-mainspring-for-big-ben-chime-alarm-clock-model-no-69","title":"Westclox Factory TIME Mainspring for Big Ben Chime Alarm Clock Model No. 69","description":"\u003cp\u003e\u003cstrong\u003eWestclox\u003c\/strong\u003e Factory TIME Mainspring for  Big Ben Chime Alarm - Model No. 69 Clocks (69, 69B, 69C, 69D) from the 1930's and 1940's (and perhaps beyond), in frail, dusty and\/or torn envelope.  Could also very well fit in other alarm and travel clocks as well. Mainspring needs a very good and thorough cleaning before use.  I likely have several of these so the one you get may differ slightly from the images.  I sell a reprint of the factory parts and assembly catalog for this model of Alarm Clock if you need it, just check my other listings.  I specialize is hard to find watch parts and all watch parts are unconditionally guaranteed. Images do a suitable job of representing the item. \u003c\/p\u003e","brand":"Westclox","offers":[{"title":"Default Title","offer_id":47452464283956,"sku":"CMS-WEST069S-10","price":8.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2026-10-14_13.37.19.jpg?v=1792010261","url":"https:\/\/www.vintagetimeparts.com\/products\/westclox-factory-time-mainspring-for-big-ben-chime-alarm-clock-model-no-69","provider":"Vintage Time Parts","version":"1.0","type":"link"}