{"product_id":"vtg-1958-seiko-cronos-calendar-21j-14k-gold-filled-watch-j14061a-running-patina","title":"VTG 1958 Seiko Cronos Calendar 21J 14K Gold Filled Watch J14061A RUNNING Patina","description":"\u003cdiv class=\"item-specifics\"\u003e\u003cdiv class=\"specs-grid\"\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eBezel Color\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eGold\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eClosure\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eBuckle\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eMax Wrist Size\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003e7.26-7.5 in\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eDial Pattern\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eTropical Patina\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eNumber of Jewels\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003e21 Jewels\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eIndices\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eBaton Indexes\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eYear Manufactured\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003e1950-1959\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eCase Thickness\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003e9 mm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eVintage\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eYes\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eBand\/Strap\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eTwo-Piece Strap\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eCase Color\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eGold\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eCaseback\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eSolid\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eDepartment\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eMen\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eLug Width\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003e18 mm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eBezel Type\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eFixed, Smooth\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eWatch Shape\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eRound\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eStyle\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eClassic, Dress\/Formal, Luxury\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eCase Size\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003e35 mm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eFeatures\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003e12-Hour Dial, Acrylic Crystal, Central Second, Date Indicator, Multiple Hands, Push\/Pull Crown, Scratch-Resistant, Seconds Hand\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eCase Material\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eGold Filled\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eWater Resistance\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eNot Water Resistant\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eMovement\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eMechanical (Manual)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eWith Service Records\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eNo\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eReference Number\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eJ14061A\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eBrand\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eSeiko\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eType\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eWristwatch\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eBand Color\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eRed\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eBand Material\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eLeather\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eDial Color\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eBeige\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eBand Width\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003e18 mm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eModel\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eSeiko Cronos\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eCase Finish\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003ePolished\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eCountry of Origin\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eJapan\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eDisplay\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eAnalog\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"item-description\"\u003e\u003cdiv class=\"description-text\"\u003e\n\u003cp\u003eUp for sale is a rare, historically significant piece of Japanese horological history: a first-year production 1958 Seiko Cronos Calendar (Self-Dater).\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003eIntroduced in 1958, the Cronos line represented a major leap forward for Seiko's mid-century luxury offerings. This specific model features the sought-after \"Calendar\" script at the top of the dial, a highly advanced feature for its era.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003eCondition \u0026amp; Summary:\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003eCase: Gorgeous 14K Gold Filled case (Reference 314061A). The case has been carefully and lightly cleaned to remove surface tarnish while preserving its original lines and vintage character. Shows honest wear and thinning on the lug edges consistent with its 65+ year history.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003eDial: Features a highly distinct, heavy \"tropical\" moisture patina. The text \"Calendar\" at the top and \"21 Jewels Diashock\" at the bottom remain faintly visible. Perfect for collectors who love the \"wabi-sabi\" aesthetic or for a historic restoration project.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003eMovement: Seikosha 21-Jewel manual wind movement with Diashock protection.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003eExceptional Mechanical Performance (Timegrapher Tested):\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003eDespite the cosmetic dial patina, the internal movement is running beautifully. It has been tested on a multifunction timegrapher with impressive metrics for a watch from 1958:\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003eRate: +7 seconds\/day (Excellent, near-chronometer daily accuracy)\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003eAmplitude: 241° (Strong power delivery from the mainspring)\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003eBeat Error: 0.8ms (Well within healthy operational tolerances)\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003eSpecifications:\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003eBrand: Seiko\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003eModel: Cronos Calendar \/ Self-Dater\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003eYear: January 1958\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003eCase Material: 14K Gold Filled Front \/ Stainless Steel Back\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003eJewel Count: 21 Jewels\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003eFeatures: Date window, Diashock anti-shock system\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003eSelling strictly AS-IS as a fully functional vintage piece with heavy cosmetic dial patina. Please review all photos carefully, including the timegrapher reading. Shipping securely packaged via USPS.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cstyle\u003e\n  .item-specifics, .item-description {font-family: Arial, sans-serif; font-size: 14px; margin-top: 16px;}\n  .title {font-size: 16px; font-weight: bold; margin: 0 0 8px 0;}\n  .specs-grid {display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 24px;}\n  .spec-pair {display: grid; grid-template-columns: 120px 1fr; gap: 8px;}\n  .spec-name {font-weight: bold; color: #111;}\n  .spec-value {color: #333;}\n  .description-text {margin-top: 8px; line-height: 1.4; color: #333;}\n\u003c\/style\u003e\n","brand":"Hall Watch Collective","offers":[{"title":"Default Title","offer_id":51842575925526,"sku":"v1|206526809183|0","price":250.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1002\/0693\/6342\/files\/s-l1600_b6080d10-166a-4e33-8c54-49773bf8a362.jpg?v=1788877399","url":"https:\/\/hallwatchcollective.com\/products\/vtg-1958-seiko-cronos-calendar-21j-14k-gold-filled-watch-j14061a-running-patina","provider":"Hall Watch Collective","version":"1.0","type":"link"}