{"product_id":"seiko-6139-6138-mainspring","title":"Seiko 6139, 6138 Mainspring (also fits ETA 2892, 2893, Omega 1120)","description":"\u003cp\u003eGenuine Generale Ressorts high-quality Swiss-made mainspring, compatible with the Seiko 6139 and 6138 movements, the Omega 1120 series, and the ETA 2892 family.\u003c\/p\u003e\n\u003cp\u003eThe Seiko 6138 and 6139 were revolutionary movements that powered the classic Seiko chronograph watches, starting in 1969. \u003c\/p\u003e\n\u003cp\u003eThe Omega 1120 and related ETA-based movements are an important bridge between the company’s earlier mechanical calibers and the later Co-Axial era. These were based on the ETA 2892 series, so this mainspring (\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eGR25341X) fits a remarkable list of great movements. \u003c\/span\u003e \u003c\/p\u003e\n\u003cp\u003eCompatible With:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSeiko 6139 \u0026amp; 6138 (\u003cmeta charset=\"utf-8\"\u003eSeiko part numbers 401615 or \u003cmeta charset=\"utf-8\"\u003e401616).\u003c\/li\u003e\n\u003cli\u003eOmega 1109, 1110, 1111, 1120, 1120A, 1128, 1140, 1143, 3220, 3220A\u003c\/li\u003e\n\u003cli\u003eETA 2890, 2890.2, 2890.A2, 2892, 2892.2, 2892.A2, 2892A2, 2893.1, 2893.2, 2894, 2895.1, 2895.2\u003c\/li\u003e\n\u003cli\u003eSellita SW300\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eManufacturer: \u003cmeta charset=\"utf-8\"\u003eGenerale Ressorts\u003c\/p\u003e\n\u003cp\u003eManufacturer Part Number: GR\u003cspan\u003e25341X\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eType: Automatic with \u003cmeta charset=\"utf-8\"\u003ebridle\/slip end\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003eHeight: 1.05mm\u003cbr\u003eThickness: 0.115mm\u003cbr\u003eLength: 430mm\u003cbr\u003eBarrel Diameter: 10.5mm\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cmeta charset=\"utf-8\"\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":"Single","offer_id":49363201032382,"sku":"GR25341X-1","price":18.0,"currency_code":"USD","in_stock":true},{"title":"3-Pack","offer_id":49363201065150,"sku":"GR25341X-2","price":51.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0768\/6048\/9918\/files\/GR25341X_B_mod.jpg?v=1787763581","url":"https:\/\/amplitudeparts.com\/products\/seiko-6139-6138-mainspring","provider":"Amplitude Watch Parts","version":"1.0","type":"link"}