{"product_id":"seiko-6217-6245-6246","title":"Seiko 6217, 6245, 6246 Mainspring","description":"\u003cp class=\"p1\"\u003e\u003cstrong\u003eGenuine Generale Ressorts Swiss-made replacement mainspring for Seiko 6201B, 6205B, 6206A, 6206B, 6216A, 6217A, 6218A, 6245A and 6246A automatic movements. \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThese vintage Seiko movements include some of the company’s most collectible watches. The 6217A powered Seiko’s famous 62MAS, the company’s first professional dive watch, while the 6245A and 6246A were used in the highly regarded 62GS Grand Seiko. The 6200-series movements were also used across a variety of other Seiko automatic watches from the 1960s.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eIf you’re servicing one of these vintage Seiko movements, a high-quality replacement mainspring is important for proper fit and performance. A poorly made mainspring can cause fitment problems with the arbor or barrel and may not deliver the amplitude expected from a properly serviced movement. Here, there’s no mystery about what you’re installing: a branded mainspring made by Generale Ressorts, a leading specialist manufacturer of watch mainsprings.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cstrong\u003eIs GR2533X compatible with the Seiko 6217A?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eYes. GR2533X is a replacement mainspring for the Seiko 6217A used in the vintage 62MAS, as well as a number of related Seiko 6200-series movements and the 6245A and 6246A Grand Seiko movements.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cstrong\u003eCompatible Seiko Movements\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e6201B\u003cbr\u003e6205B\u003cbr\u003e6206A\u003cbr\u003e6206B\u003cbr\u003e6216A\u003cbr\u003e6217A\u003cbr\u003e6218A\u003cbr\u003e6245A\u003cbr\u003e6246A\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eManufacturer: Generale Ressorts\u003cbr\u003eManufacturer Part Number: GR2533X\u003cbr\u003eType: Automatic mainspring\u003cbr\u003eHeight: 1.05 mm\u003cbr\u003eThickness: 0.11 mm\u003cbr\u003eLength: 360 mm\u003cbr\u003eBarrel Diameter: 10 mm\u003c\/p\u003e\n\u003cp class=\"p3\"\u003eAmplitude Watch Parts ships from the USA, so there’s no need to worry about long shipping delays or tariffs. \u003c\/p\u003e","brand":"GR","offers":[{"title":"Default Title","offer_id":49180596895934,"sku":null,"price":34.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0768\/6048\/9918\/files\/IMG_6059.heic?v=1790639968","url":"https:\/\/amplitudeparts.com\/products\/seiko-6217-6245-6246","provider":"Amplitude Watch Parts","version":"1.0","type":"link"}