{"product_id":"seiko-6660-7010-ultra-thin","title":"Seiko 6660-7010 - Ultra-Thin","description":"\u003cp\u003eSeiko 6660-7010 - A Rare Member of the Ultra-Thin Dress Series.\u003c\/p\u003e\n\u003cp\u003eBetween the late 1960s and early 1970s, Seiko's vision of haute horlogerie wasn't limited to Grand Seiko and King Seiko. During the same period, the brand also launched special-edition dress models distinguished by their ultra-thin casings, refined mechanical architecture, and hand-finished bezels. The Seiko 6660-7010 is one of the most distinguished references in this line—its lightness, thinness, and jewel-quality bezel make it a rare piece even today.\u003c\/p\u003e\n\u003cp\u003eFine Design and Craftsmanship: Multi-Faceted Bezel\u003cbr\u003eOne of the most distinctive features of this model is its bezel, featuring multi-faceted cuts. Each facet refracts light differently, creating a soft reflection that constantly changes as the watch moves on the wrist. This bezel type, used only on premium, thin-cased dress models in Seiko catalogs of the period, is:\u003c\/p\u003e\n\u003cp\u003eThe cutting process is entirely hand-cut (movements of the period could not automatically process this geometry),\u003c\/p\u003e\n\u003cp\u003eRequires high precision,\u003cbr\u003eCreates an elegant yet powerful optical effect,\u003cbr\u003eEven today, it is considered extremely valuable by collectors because it is very difficult to restore.\u003cbr\u003eThis bezel is the strongest external evidence of the model's premium segment.\u003c\/p\u003e\n\u003cp\u003eHigh-Class Mechanical Architecture in an Ultra-Thin Case\u003cbr\u003eAt just 8.4 mm thick, the 6660-7010 offers an exceptionally thin profile for its time, and the engineering behind it is also embedded within. The model features:\u003c\/p\u003e\n\u003cp\u003eSeiko 66 Series - Gold-Plated Movement\u003cbr\u003eThe movement we see inside is the gold-plated version of the 66xx series. Gold-plated movements:\u003c\/p\u003e\n\u003cp\u003eIncrease friction and oxidation resistance,\u003cbr\u003eEnsure long-term stability,\u003cbr\u003ePreserve the aesthetic integrity of dress-segment models, and are only applied to select special editions.\u003cbr\u003eThe clean and shiny appearance of the coating is a strong indication that the movement has been used very little and has been perfectly preserved.\u003c\/p\u003e\n\u003cp\u003eTechnical Details:\u003cbr\u003e21 Jewels - Diashock\u003cbr\u003eMechanical hand-wound construction\u003cbr\u003ePrecision-tuned balance bridge\u003cbr\u003eSpecial low-profile architecture for a slim case fit\u003cbr\u003eThis movement embodies Seiko's \"dress mechanical\" philosophy: a caliber suitable for everyday wear yet technically robust.\u003c\/p\u003e\n\u003cp\u003eDial and Case: The Right Balance of Minimalist Elegance\u003cbr\u003eSilver satin sunray-effect dial\u003cbr\u003eSlim baton indices\u003cbr\u003eLong baton hands preserved in their original form\u003cbr\u003eElegant lugs retain their sharp lines\u003cbr\u003eUltra-simple, completely clean design except for the logo\u003cbr\u003eThe model is devoid of any unnecessary details; the entire design is centered around highlighting the bezel's geometry and the movement's refinement.\u003c\/p\u003e\n\u003cp\u003eFull Specifications\u003cbr\u003eReference: 6660-7010\u003cbr\u003eYear of Manufacture: 1970\u003cbr\u003eThickness: 8.4 mm\u003cbr\u003eMovement: Cal. 6600A (Gold-plated)\u003cbr\u003eOperating Type: Manual-winding\u003cbr\u003eNumber of Jewels: 21 jewels\u003cbr\u003eFrequency: 18,000 vph\u003cbr\u003eShock Resistance: Diashock\u003cbr\u003eBezel: Multi-faceted facet-cut\u003cbr\u003eDial: Silver satin sunburst\u003cbr\u003eGlass: Acrylic\u003cbr\u003eCover: Snap-on\u003cbr\u003eStrap: Black leather (unworn)\u003c\/p\u003e\n\u003cp\u003eCollector Value - Why a Special Piece?\u003cbr\u003eThe features that make this reference valuable are as follows:\u003cbr\u003eThe faceted bezel is a product of special craftsmanship used in a small number of models of the period.\u003cbr\u003eThe gold-plated 66 series caliber inside distinguishes it from standard models.\u003cbr\u003eIts proportions, thinness, and simple dial convey the character of a pure dress watch.\u003cbr\u003eIt's nearly impossible to find such a clean example.\u003cbr\u003eIt's one of the most refined members of its series, both technically and design-wise.\u003c\/p\u003e\n\u003cp\u003eIt's at the heart of what we might call Vintage Seiko's \"most elegant face.\"\u003c\/p\u003e\n\u003cp\u003eCondition\u003cbr\u003eThe watch is generally in very good condition. The bezel has largely retained its sharpness, the dial is clean, and the indices and hands are in their original form. The movement is exceptionally clean, and the gold-plated surfaces shine smoothly.\u003c\/p\u003e\n\u003cp\u003eConclusion\u003cbr\u003eRepresenting Seiko's most refined approach to fine mechanical watchmaking, the 6660-7020 is a rare model that strikes a perfect balance between minimalism, craftsmanship, and technical elegance. The craftsmanship of the bezel, the premium nature of the gold-plated movement, and the ultra-thin case make this reference a true collector's item.\u003c\/p\u003e\n\u003cp\u003eThe item you're viewing was manufactured in 1966.\u003c\/p\u003e\n\u003cp\u003eProfessionally overhauled and FULLY SERVICED (the movement is completely disassembled, its components cleaned, oiled, and adjusted), your watch will function flawlessly without any surprises. (Maintenance-free for 3 years unless exposed to direct water or high humidity for extended periods.)\u003cbr\u003eItem Condition: Tested, fully functional, and in working order.\u003c\/p\u003e","brand":"Turgay's Watches","offers":[{"title":"Default Title","offer_id":47991469637853,"sku":"TW011111","price":550.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/3125\/0653\/files\/6660-7010.jpg?v=1780392775","url":"https:\/\/turgayswatches.com\/products\/seiko-6660-7010-ultra-thin","provider":"Turgay's Watches","version":"1.0","type":"link"}