{"product_id":"the-caliber-2813-automatic-mechanical-watch","title":"The Caliber 2813 | Automatic Mechanical Watch Movement for Watchmakers","description":"\u003cdiv class=\"product-narrative\"\u003e\n\u003cp\u003e\u003cstrong\u003eA Watch Is Not Told. It Is Worn. It Is Built.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThere is a reason the 2813 remains the most serviced automatic caliber in the watchmaker's drawer: it does the one thing a mechanical movement must do, which is run, and it does it at a price that keeps the craft accessible. This DG2813 automatic movement beats at 21,600 vibrations per hour, sweeping the seconds hand with the smooth glide that quartz cannot imitate. For repairers, modders, and first-time builders, it is the caliber that turns a parts tray into a working watch.\u003c\/p\u003e\n\u003cp\u003eThe 21,600 bph beat rate is the heart of its character. Higher than the slow-beat movements of the past, lower than the race-derived calibers of the present, it sits in the sweet spot of reliability and tradition: a rhythm you can feel through the case, a reserve of mechanical energy that winds itself as you wear it. The automatic rotor tops up the mainspring with every turn of the wrist, and manual winding is available for when the watch has sat overnight on the bench.\u003c\/p\u003e\n\u003cp\u003eStandard specification matters when you are building or repairing. The DG2813 uses the familiar three-hand layout with a date window at three o'clock, dimensions and stem positions that drop into the cases and dials made for the 2813 family, and parts sourcing that is straightforward for any workshop. Whether you are reviving a family watch, completing a mod build, or teaching yourself the discipline of the escapement, this movement gives you a clean, honest foundation to work from.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eQuartz tells time. This keeps a craft alive.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-features\"\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul style=\"list-style: none; padding: 0;\"\u003e\n\u003cli\u003e✦ DG2813 automatic mechanical movement: 3 hands plus date\u003c\/li\u003e\n\u003cli\u003e✦ 21,600 bph beat rate for a smooth seconds sweep\u003c\/li\u003e\n\u003cli\u003e✦ Self-winding rotor with manual winding support\u003c\/li\u003e\n\u003cli\u003e✦ Standard specification for watchmakers and modders\u003c\/li\u003e\n\u003cli\u003e✦ Drop-in replacement for 2813-based watch cases\u003c\/li\u003e\n\u003cli\u003e✦ Consistent performance across batch quantities\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-specs\"\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul style=\"list-style: none; padding: 0;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e 2813 \/ DG2813\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Automatic mechanical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency:\u003c\/strong\u003e 21,600 bph (3Hz)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHands:\u003c\/strong\u003e Hour, minute, seconds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplication:\u003c\/strong\u003e Date window at 3 o'clock\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWinding:\u003c\/strong\u003e Self-winding + manual\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower reserve:\u003c\/strong\u003e Approximately 40 hours\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Watch repair, modding, replacement builds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e 2813-family cases and dials\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-applications\"\u003e\n\u003ch3\u003eApplication Scenarios\u003c\/h3\u003e\n\u003cp\u003eThe Caliber 2813 serves the three communities that keep mechanical watches alive. Repair workshops fit it when an original movement is beyond economic repair, returning heirloom watches to service with dependable running gear. Modders use it as the engine for custom builds: skeleton dials, custom rotors, and aftermarket cases all accept the standard 2813 layout. Students of watchmaking use it to learn the trade, because every component is available, serviceable, and forgiving of the beginner's mistakes. For anyone who buys watch parts in volume, the consistent specification and batch performance make it the reliable workhorse of the parts tray.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-faq\"\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdiv style=\"margin-bottom: 15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this movement suitable for a beginner watch builder?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes. The DG2813 is one of the most documented calibers in watchmaking, with standard dimensions, widely available parts, and forgiving assembly tolerances. It is the classic first movement.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does it hack (stop the seconds hand when setting)?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: This 2813 specification does not include a hacking function. The seconds hand continues running while the time is set, which is standard for this caliber family.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How long is the power reserve?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Approximately 40 hours on a full wind, enough to survive a night on the nightstand and most of a weekend off the wrist.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will it fit my existing 2813 watch case?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The DG2813 follows the standard 2813 dimensions and stem position, so it drops into cases, dials, and hands made for the 2813 family.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I wind it manually?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes. It winds automatically through the rotor during wear, and the crown also supports manual winding when the watch has been sitting.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the movement come with hands and a crown?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: No. The movement ships alone; hands, dial, crown, and case are sourced separately to match your build, which is standard practice for watch parts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the movement new or refurbished?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The calibers are new, standard-specification movements. They are not refurbished, and each one is inspected before dispatch.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-promise\" style=\"margin-top: 25px; padding: 18px; background: #f7f7f7; border-radius: 8px;\"\u003e\n\u003ch3\u003eThe EastSupplier Promise\u003c\/h3\u003e\n\u003cp\u003eEvery product in this store moves through a supply chain that has served cross-border sellers for more than a decade. We inspect before we ship, pack with care, and answer every message within one business day. If anything arrives less than described, contact us and we will make it right. That is not a slogan. It is the operating procedure.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-gallery\" style=\"margin-top: 30px; text-align: center;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/Se062f3328f8e4cd5aced1f1dd5a741ec9_b513bab7-0eca-44da-9167-5c94053d88af.webp?v=1784602031\" alt=\"Se062f3328f8e4cd5ace\" style=\"max-width:100%; margin-bottom:15px; border-radius:6px;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S52576466498249ac84b0245a7954c74fD_d46c293f-e5b7-432b-8635-9c598027cfa5.webp?v=1784602031\" alt=\"S52576466498249ac84b\" style=\"max-width:100%; margin-bottom:15px; border-radius:6px;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S2517ffa3bc074edbbf3e2c366060a23fr_0617f7c3-dbd4-4971-aec2-78cce362584b.webp?v=1784602031\" alt=\"S2517ffa3bc074edbbf3\" style=\"max-width:100%; margin-bottom:15px; border-radius:6px;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/Se313aa1d2c7d4e0fb45ebc1f40d4afd71_d1424211-275c-4138-8fb5-30bf231949c1.webp?v=1784602031\" alt=\"Se313aa1d2c7d4e0fb45\" style=\"max-width:100%; margin-bottom:15px; border-radius:6px;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/Sf6f85d30f03348c4aaeb1c0b8c150f45O_b5a3bd95-c1b9-4eaa-8555-86839e634dec.webp?v=1784602031\" alt=\"Sf6f85d30f03348c4aae\" style=\"max-width:100%; margin-bottom:15px; border-radius:6px;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/Sa7435b2c2d5940e3b8ae9e32a7430972M_751c2cad-ee4b-4464-a389-27187450353c.webp?v=1784602031\" alt=\"Sa7435b2c2d5940e3b8a\" style=\"max-width:100%; margin-bottom:15px; border-radius:6px;\"\u003e\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"The Caliber 2813 | Automatic Mechanical Watch Movement for Watchmakers\",\n  \"image\": \"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/Se062f3328f8e4cd5aced1f1dd5a741ec9_b513bab7-0eca-44da-9167-5c94053d88af.webp?v=1784602031\",\n  \"description\": \"DG2813 automatic mechanical watch movement, 21600 bph, 3 hands with date, for watchmakers and modders\",\n  \"brand\": {\"@type\": \"Brand\", \"name\": \"EastSupplier\"},\n  \"offers\": {\"@type\": \"Offer\", \"price\": \"38.2\", \"priceCurrency\": \"USD\", \"availability\": \"https:\/\/schema.org\/InStock\", \"url\": \"https:\/\/eastsupplier.com\/products\/the-caliber-2813-automatic-mechanical-watch\"},\n  \"aggregateRating\": {\"@type\": \"AggregateRating\", \"ratingValue\": \"4.7\", \"reviewCount\": \"4\"}\n}\n\u003c\/script\u003e","brand":"EastSupplier Platform","offers":[{"title":"United Kingdom","offer_id":50588291465439,"sku":"1005011565047140-United Kingdom","price":38.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/Se062f3328f8e4cd5aced1f1dd5a741ec9_b513bab7-0eca-44da-9167-5c94053d88af.webp?v=1784602031","url":"https:\/\/eastsupplier.com\/de-es\/products\/the-caliber-2813-automatic-mechanical-watch","provider":"EastSupplier Platform","version":"1.0","type":"link"}