{"product_id":"fitwell-m1-micro-adjust-buckle","title":"Fitwell M1 Micro-Adjust Buckle","description":"\u003cp\u003eFine-tune your watch strap with the \u003cstrong\u003eFitwell M1 Micro-Adjust Buckle\u003c\/strong\u003e. Its two-position mechanism adds a 3 mm adjustment between your strap’s existing holes, helping you find a comfortable fit as your wrist changes throughout the day.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIn stock and available to order from DougFNJ Watches, an authorized U.S. Fitwell dealer.\u003c\/strong\u003e Select your finish and buckle-end size above. Stainless steel $40; titanium $50.\u003c\/p\u003e\u003ch2\u003eHow the Fitwell M1 micro-adjust buckle works\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplaces a compatible conventional pin buckle on most leather, rubber and fabric watch straps.\u003c\/li\u003e\n\u003cli\u003eAdjust the fit without tools after installation; no extra strap holes are needed.\u003c\/li\u003e\n\u003cli\u003eChoose 316L stainless steel or titanium, with the finish and buckle-end width shown in each variant.\u003c\/li\u003e\n\u003cli\u003eIncludes an installed spring bar and one spare.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eChoose the correct buckle-end size\u003c\/h2\u003e\u003cdiv class=\"df-size-finder\" style=\"padding:20px;margin:20px 0;border:1px solid #147d88;border-radius:4px;\"\u003e\n\u003ch3\u003eFind your buckle-end size\u003c\/h3\u003e\n\u003cp\u003eUse the on-screen sizing tool here at DougFNJ Watches. If the interactive tool does not load, measure the width of your strap where it attaches to the buckle with a millimeter ruler or caliper. Choose the matching 16, 18 or 20 mm option.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMeasure the buckle end, not the watch lugs.\u003c\/strong\u003e For example, a 22 mm strap tapering to 18 mm needs an 18 mm buckle. Check the available material, finish and size combinations before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\u003cp\u003e\u003cstrong\u003eMeasure the strap where it attaches to the buckle. Do not select a size from your watch’s lug width alone.\u003c\/strong\u003e Using a ruler or caliper, measure the width of the strap at the buckle end, or the inside opening of your existing buckle. Match that measurement to a 16 mm, 18 mm or 20 mm M1 variant.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eStrap width at buckle\u003c\/th\u003e\n\u003cth\u003eSelect M1 size\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e16 mm\u003c\/td\u003e\n\u003ctd\u003e16 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e18 mm\u003c\/td\u003e\n\u003ctd\u003e18 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e20 mm\u003c\/td\u003e\n\u003ctd\u003e20 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eFor example, a strap that is 20 mm at the watch and tapers to 16 mm at the buckle needs a 16 mm M1. A 22 mm strap tapering to 18 mm needs an 18 mm M1. A straight strap has the same width at both ends. Only the listed finish and size combinations are offered.\u003c\/p\u003e\n\u003cfigure style=\"margin:20px 0;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0718\/7637\/8931\/files\/fitwell-official-buckle-sizing-guide.jpg?v=1793668827\" target=\"_blank\" rel=\"noopener\" aria-label=\"Open Fitwell’s official buckle sizing guide at full size\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0718\/7637\/8931\/files\/fitwell-official-buckle-sizing-guide.jpg?v=1793668827\u0026amp;width=1200\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0718\/7637\/8931\/files\/fitwell-official-buckle-sizing-guide.jpg?v=1793668827\u0026amp;width=480 480w, https:\/\/cdn.shopify.com\/s\/files\/1\/0718\/7637\/8931\/files\/fitwell-official-buckle-sizing-guide.jpg?v=1793668827\u0026amp;width=800 800w, https:\/\/cdn.shopify.com\/s\/files\/1\/0718\/7637\/8931\/files\/fitwell-official-buckle-sizing-guide.jpg?v=1793668827\u0026amp;width=1200 1200w, https:\/\/cdn.shopify.com\/s\/files\/1\/0718\/7637\/8931\/files\/fitwell-official-buckle-sizing-guide.jpg?v=1793668827\u0026amp;width=2400 2400w\" sizes=\"(min-width:1200px) 1100px, 100vw\" alt=\"Fitwell sizing guide showing a strap measuring 20 mm at the watch and tapering to 18 mm at the buckle: choose an 18 mm buckle.\" width=\"2400\" height=\"1600\" loading=\"lazy\" style=\"display:block;width:100%;max-width:100%;height:auto;\"\u003e\u003c\/a\u003e\u003cfigcaption style=\"font-size:14px;line-height:1.6;margin-top:10px;\"\u003eOfficial Fitwell sizing guide. For the M1, choose 16, 18 or 20 mm to match your strap’s buckle end. \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0718\/7637\/8931\/files\/fitwell-official-buckle-sizing-guide.jpg?v=1793668827\" target=\"_blank\" rel=\"noopener\"\u003eOpen the full-size guide\u003c\/a\u003e.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003ch2\u003eInstallation and use\u003c\/h2\u003e\u003cp\u003eInstallation requires a spring-bar tool to replace your existing buckle. After fitting, check that the spring bar is fully seated and the buckle is secure. The adjustment is deliberately firm; familiarize yourself with both positions before wearing.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/www.fitwellbuckle.co\/pages\/m1-installation\"\u003eView Fitwell’s M1 installation instructions\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eBuckle only; watch and strap are not included.\u003c\/p\u003e\u003ch2\u003eSee the M1 adjustment mechanism\u003c\/h2\u003e\u003cvideo controls playsinline muted loop preload=\"metadata\" style=\"max-width:100%;height:auto;\" aria-label=\"Fitwell M1 micro-adjust buckle mechanism demonstration\"\u003e\u003csource src=\"https:\/\/cdn.shopify.com\/videos\/c\/vp\/3cacc6452f1d44078d110dc1abd0d609\/3cacc6452f1d44078d110dc1abd0d609.HD-1080p-2.5Mbps-62947939.mp4\" type=\"video\/mp4\"\u003e\u003c\/video\u003e\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/videos\/c\/vp\/3cacc6452f1d44078d110dc1abd0d609\/3cacc6452f1d44078d110dc1abd0d609.HD-1080p-2.5Mbps-62947939.mp4\"\u003eWatch Fitwell’s mechanism demonstration\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eFitwell buckle review and sizing help\u003c\/h2\u003e\u003cp\u003eWatch \u003ca href=\"\/pages\/fitwell-micro-adjust-buckles#doug-fitwell-review\"\u003eDougFNJ’s Fitwell M1 buckle review\u003c\/a\u003e to see the two adjustment positions and learn what to check before ordering. Visit our \u003ca href=\"\/pages\/fitwell-micro-adjust-buckles\"\u003eFitwell buckle guide\u003c\/a\u003e to compare finishes and find your buckle-end size.\u003c\/p\u003e","brand":"Fitwell","offers":[{"title":"Stainless Steel — Silver \/ 18 mm","offer_id":67839030493491,"sku":"FWB001-SS-18","price":40.0,"currency_code":"USD","in_stock":true},{"title":"Stainless Steel — Silver \/ 16 mm","offer_id":67839030526259,"sku":"FWB001-SS-16","price":40.0,"currency_code":"USD","in_stock":true},{"title":"Stainless Steel — Silver \/ 20 mm","offer_id":67839030559027,"sku":"FWB001-SS-20","price":40.0,"currency_code":"USD","in_stock":true},{"title":"Stainless Steel — Bead Blasted \/ 18 mm","offer_id":67839030591795,"sku":"FWB001-SB-18","price":40.0,"currency_code":"USD","in_stock":true},{"title":"Stainless Steel — Bead Blasted \/ 16 mm","offer_id":67839030624563,"sku":"FWB001-SB-16","price":40.0,"currency_code":"USD","in_stock":true},{"title":"Stainless Steel — Bead Blasted \/ 20 mm","offer_id":67839030657331,"sku":"FWB001-SB-20","price":40.0,"currency_code":"USD","in_stock":true},{"title":"Titanium — Bead Blasted \/ 18 mm","offer_id":67839030690099,"sku":"FWB001-TB-18","price":50.0,"currency_code":"USD","in_stock":true},{"title":"Titanium — Silver \/ 18 mm","offer_id":67839030722867,"sku":"FWB001-TI-18","price":50.0,"currency_code":"USD","in_stock":true},{"title":"Stainless Steel — Black \/ 18 mm","offer_id":67839030755635,"sku":"FWB001-BL-18","price":40.0,"currency_code":"USD","in_stock":true},{"title":"Stainless Steel — Black \/ 20 mm","offer_id":67839030788403,"sku":"FWB001-BL-20","price":40.0,"currency_code":"USD","in_stock":true},{"title":"Titanium — Silver \/ 16 mm","offer_id":67839030821171,"sku":"FWB001-TI-16","price":50.0,"currency_code":"USD","in_stock":true},{"title":"Stainless Steel — Yellow Gold Tone \/ 18 mm","offer_id":67839030853939,"sku":"FWB001-YG-18","price":40.0,"currency_code":"USD","in_stock":true},{"title":"Stainless Steel — Rose Gold Tone \/ 18 mm","offer_id":67839030886707,"sku":"FWB001-RG-18","price":40.0,"currency_code":"USD","in_stock":true},{"title":"Titanium — Bead Blasted \/ 20 mm","offer_id":67839030919475,"sku":"FWB001-TB-20","price":50.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/7637\/8931\/files\/upload-1793381536690.jpg?v=1793381538","url":"https:\/\/dougfnjwatches.com\/products\/fitwell-m1-micro-adjust-buckle","provider":"DougFNJ Watches","version":"1.0","type":"link"}