{"product_id":"000000008638","title":"Seiko SilverWave 6306-8010, Houndstooth dial, original bracelet, automatic, serviced, manufactured in 1976 (Showa 51).","description":"\u003cp\u003eThis is a 1976 \u003cstrong\u003eSeiko SilverWave\u003c\/strong\u003e.\u003cbr\u003e\n\u003cbr\u003e\nThe \u003cstrong\u003eSilverWave\u003c\/strong\u003e was a series of reinforced water-resistant watches that boasted high airtightness for Seiko at the time.\u003cbr\u003e\nThis particular model is a rare mid-1970s textured dial version equipped with the domestic automatic caliber \u003cstrong\u003eCal.6306A\u003c\/strong\u003e.\u003cbr\u003e\n\u003cbr\u003e\nThe case back and crown are screw-down, offering high practicality with a 100m water-resistant rating when first released.\u003cbr\u003e\n（*Please treat this as non-waterproof today due to its vintage condition.）\u003cbr\u003e\nThe crown, positioned at 4 o'clock, is a design defined by functional beauty, calculated to avoid interfering with wrist movement.\u003cbr\u003e\n\u003cbr\u003e\n\u003cstrong\u003eThe most notable feature is the intricate geometric pattern (houndstooth) on the silver dial.\u003c\/strong\u003e\u003cbr\u003e\nThe fine pattern shimmers and changes expression depending on the angle of the light, exuding a sense of luxury and individuality unique to vintage timepieces not found in modern models.\u003cbr\u003e\n\u003cbr\u003e\nIt features quick-set day\/date and a hacking seconds function, making it an excellent, highly usable model.\u003c\/p\u003e\n\u003cdiv style=\"page-break-after: always;\"\u003e\u003c\/div\u003e\n\u003ch4\u003eHow to Operate Caliber 6306A\u003c\/h4\u003e\n\n\u003cp\u003eBefore operating the crown, please unscrew it to release it.\u003cbr\u003e\nAfter operation, be sure to screw it back in securely.\u003cbr\u003e\n \u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eUnscrewing the crown\u003c\/strong\u003e: Rotate downwards while in the normal crown position.\u003c\/p\u003e\n\n\u003cp style=\"margin-left: 40px;\"\u003eThe crown screws in smoothly.\u003cbr\u003e\nWhen screwing the crown back in, \u003cstrong\u003ewe recommend carefully finding the starting point of the thread and tightening it slowly to avoid stripping the threads.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eTime setting\u003c\/strong\u003e: Pull the crown out to the second click and rotate downwards.\u003c\/p\u003e\n\n\u003cp style=\"margin-left: 40px;\"\u003eThe second hand will stop when in the second click position (hacking function).\u003c\/p\u003e\n\n\u003cp\u003e\u003cbr\u003e\n\u003cstrong\u003eQuick-set date\u003c\/strong\u003e: Pull the crown out to the first click and rotate upwards.\u003cbr\u003e\n\u003cstrong\u003eQuick-set day\u003c\/strong\u003e: Pull the crown out to the first click and rotate downwards (displays in two languages: English\/Japanese).\u003c\/p\u003e\n\n\u003cp style=\"margin-left: 40px;\"\u003e\u003cspan class=\"marker\"\u003eOperating the quick-set function while the watch hands are between 9:00 PM and 3:00 AM may cause a malfunction.\u003c\/span\u003e\u003cbr\u003e\nIt is recommended to set the time to around 6:00 before performing the quick-set operation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWinding the mainspring\u003c\/strong\u003e: Wind by swinging the watch. There is no manual winding function.\u003c\/p\u003e\n\u003cp style=\"margin-left: 40px;\"\u003eIf the watch has stopped, gently swing the watch approximately 40 times to wind the mainspring before use.\u003cbr\u003e※This model is an automatic-only watch and does not have a manual winding function.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan class=\"marker\"\u003e\u003cstrong\u003e【Operating Tips and Precautions】\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\nBecause this model has a \u003cstrong\u003ecase design where the crown is slightly recessed\u003c\/strong\u003e, it is difficult to determine if it has been fully screwed in just by looking from the front. To prevent forgetting to tighten it, make it a habit after use to \u003cstrong\u003e\"look at the watch from the case back side to check that the threads are not visible.\"\u003c\/strong\u003e By looking from the back, you can clearly see if the crown is not fully tightened (if the threads are exposed).\u003cbr\u003e\n\u003cbr\u003e\nAdditionally, due to its unique shape, it requires a \u003cstrong\u003eknack for using your fingernail to pull the crown out\u003c\/strong\u003e. It is truly a \u003cstrong\u003espec for connoisseurs\u003c\/strong\u003e who appreciate such nuances.\u003c\/p\u003e\n\n\u003ch4\u003eCondition\u003c\/h4\u003e\n\n\u003cp\u003eThis watch has been \u003cspan class=\"marker\"\u003eoverhauled\u003c\/span\u003e.\u003cbr\u003e\n\u003cbr\u003e\nThe dial remains in excellent condition.\u003cbr\u003e\nThe crystal has some scuffs and light scratches from use, but they do not impair visibility.\u003cbr\u003e\n\u003cbr\u003e\nThe bracelet is a rare \u003cstrong\u003egenuine SEIKO bracelet (ACTUS stamped)\u003c\/strong\u003e, allowing you to enjoy a cohesive design.\u003cbr\u003e\nIt can accommodate wrist sizes up to approximately 188mm.\u003cbr\u003e\n \u003c\/p\u003e\n\n\u003cp\u003e\u003cspan class=\"marker\"\u003e※Due to the many years since its manufacture, please treat this watch as \"non-waterproof.\"\u003cbr\u003e\nPlease avoid wearing it around water, on rainy days, or during hot days when you may sweat, and be careful of shocks and magnetism.\u003c\/span\u003e\u003c\/p\u003e","brand":"WATCH COLLE","offers":[{"title":"Default Title","offer_id":56190475239729,"sku":"000000008638-001","price":0.0,"currency_code":"JPY","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1001\/4939\/5761\/files\/1_000000008638.jpg?v=1788948385","url":"https:\/\/watch-colle.com\/en\/products\/000000008638","provider":"WATCH COLLE","version":"1.0","type":"link"}