{"product_id":"vintage-seiko-5-automatic-vintage-ref-4227-00k0-royal-blue-two-tone-dial-watchex-india","title":"Vintage Seiko 5 Automatic Vintage – Ref. 4227-00K0 – Royal Blue Two-Tone Dial | Watchex India","description":"\u003cp\u003eA distinctive vintage Seiko 5 Automatic featuring a deep royal blue two-tone sunburst dial, gold-tone detailing and an original integrated-style two-tone stainless-steel bracelet. The watch features a broad, smooth hooded bezel\/case surround that gives the dial a distinctive bullseye-style appearance.\u003c\/p\u003e\n\u003cp\u003ePowered by Seiko’s 21-jewel Caliber 4227, this vintage mechanical movement supports both automatic winding and manual hand-winding. The watch also features a practical day-date display at 3 o’clock and the classic recessed crown positioned at 4 o’clock.\u003c\/p\u003e\n\u003cp\u003eThe combination of its unusual case architecture, royal blue dial, two-tone bracelet and vintage Japanese mechanical movement makes this a particularly interesting Seiko 5 for collectors.\u003c\/p\u003e\n\u003cp\u003eCollector’s Note\u003c\/p\u003e\n\u003cp\u003eThis Seiko 5 stands out from conventional vintage Seiko 5 models because of its integrated-style case and bracelet design and broad hooded bezel.\u003c\/p\u003e\n\u003cp\u003eThe smooth stainless-steel bezel\/case surround frames the blue dial and flows naturally into the bracelet, creating a cohesive vintage silhouette. The design gives the watch a distinctive bullseye-style appearance when viewed from the front.\u003c\/p\u003e\n\u003cp\u003eThe royal blue two-tone sunburst dial is complemented by gold-tone dot indices and matching hands. Depending on the lighting, the blue dial changes in intensity, giving it considerable depth and character.\u003c\/p\u003e\n\u003cp\u003eAnother important collector feature is the Seiko Caliber 4227. Unlike later Seiko automatic movements such as the 7S26, the 4227 supports both automatic winding and manual hand-winding.\u003c\/p\u003e\n\u003cp\u003eThe case back is marked 4227-00K0, MADE IN JAPAN, ST. STEEL and WATER RESISTANT.\u003c\/p\u003e\n\u003cp\u003eSpecifications\u003c\/p\u003e\n\u003cp\u003e* Brand: Seiko\u003cbr\u003e* Collection: Seiko 5\u003cbr\u003e* Case Reference: 4227-00K0\u003cbr\u003e* Serial Number: 370200\u003cbr\u003e* Movement: Mechanical Automatic + Manual Winding\u003cbr\u003e* Caliber: Seiko 4227\u003cbr\u003e* Jewels: 21 Jewels\u003cbr\u003e* Frequency: 21,600 vph\u003cbr\u003e* Power Reserve: Approx. 40 hours\u003cbr\u003e* Functions: Hours, Minutes, Seconds, Day-Date\u003cbr\u003e* Dial Colour: Royal Blue\u003cbr\u003e* Dial Finish: Two-Tone Sunburst\u003cbr\u003e* Hour Markers: Gold-tone Dot Indices\u003cbr\u003e* Hands: Gold-tone\u003cbr\u003e* Calendar: Day-Date at 3 o’clock\u003cbr\u003e* Crystal: Hardlex \/ Mineral Crystal\u003cbr\u003e* Case Material: Stainless Steel\u003cbr\u003e* Case Design: Integrated-style case with broad hooded bezel\u003cbr\u003e* Crown: Recessed at approximately 4 o’clock\u003cbr\u003e* Case Back: Solid Screw-down Stainless Steel\u003cbr\u003e* Water Resistance: Water Resistant\u003cbr\u003e* Origin: Made in Japan\u003cbr\u003e* Bracelet: Original Seiko Integrated Two-Tone Bracelet\u003cbr\u003e* Bracelet Material: Stainless Steel with Gold-tone Accents\u003cbr\u003e* Bracelet Reference \/ End-Link Code: 3250-B-E\u003cbr\u003e* Clasp: Fold-over clasp\u003cbr\u003e* Clasp Marking: SEIKO\u003c\/p\u003e\n\u003cp\u003eCase Dimensions\u003c\/p\u003e\n\u003cp\u003e* Case Diameter: Approx. 35 mm excluding crown\u003cbr\u003e* Lug-to-Lug: Approx. 41 mm\u003cbr\u003e* Case Thickness: Approx. 10.5 mm\u003cbr\u003e* Crown Position: Approximately 4 o’clock\u003c\/p\u003e\n\u003cp\u003eDial Details\u003c\/p\u003e\n\u003cp\u003eThe watch features a deep royal blue two-tone sunburst dial with gold-tone detailing.\u003c\/p\u003e\n\u003cp\u003eThe dial includes:\u003c\/p\u003e\n\u003cp\u003e* Royal blue two-tone finish\u003cbr\u003e* Sunburst texture\u003cbr\u003e* Gold-tone dot hour markers\u003cbr\u003e* Gold-tone hour and minute hands\u003cbr\u003e* Central seconds hand\u003cbr\u003e* Day-date display at 3 o’clock\u003cbr\u003e* Seiko branding\u003cbr\u003e* Seiko 5 emblem\u003c\/p\u003e\n\u003cp\u003eThe combination of the deep blue dial and gold-tone detailing gives this vintage Seiko a rich and refined appearance.\u003c\/p\u003e\n\u003cp\u003eDistinctive Case \u0026amp; Bezel Design\u003c\/p\u003e\n\u003cp\u003eOne of the defining characteristics of this watch is its broad, smooth hooded bezel\/case surround.\u003c\/p\u003e\n\u003cp\u003eRather than using a conventional narrow exposed bezel, the stainless-steel case forms a wide frame around the dial. This creates the distinctive bullseye-style visual effect seen from the front.\u003c\/p\u003e\n\u003cp\u003eThe case also transitions directly into the integrated-style bracelet, giving the watch a cohesive appearance.\u003c\/p\u003e\n\u003cp\u003eCase Design Highlights\u003c\/p\u003e\n\u003cp\u003e* Broad smooth hooded bezel\u003cbr\u003e* Bullseye-style dial framing\u003cbr\u003e* Sculpted stainless-steel case\u003cbr\u003e* Integrated-style bracelet connection\u003cbr\u003e* Polished and brushed surfaces\u003cbr\u003e* Recessed 4 o’clock crown\u003cbr\u003e* Compact vintage proportions\u003c\/p\u003e\n\u003cp\u003eMovement Highlights\u003c\/p\u003e\n\u003cp\u003eThe watch is powered by Seiko’s Caliber 4227, a vintage 21-jewel mechanical movement.\u003c\/p\u003e\n\u003cp\u003eMovement Specifications\u003c\/p\u003e\n\u003cp\u003e* Caliber: 4227\u003cbr\u003e* Jewels: 21\u003cbr\u003e* Frequency: 21,600 vph\u003cbr\u003e* Power Reserve: Approx. 40 hours\u003cbr\u003e* Winding: Automatic + Manual\u003cbr\u003e* Functions: Hours, Minutes, Seconds, Day-Date\u003c\/p\u003e\n\u003cp\u003eThe movement can be wound automatically through wrist movement and can also be manually wound through the crown.\u003c\/p\u003e\n\u003cp\u003eThis manual-winding capability is an important characteristic of the 4227 and distinguishes it from later Seiko automatic movements such as the 7S26.\u003c\/p\u003e\n\u003cp\u003eDay-Date Function\u003c\/p\u003e\n\u003cp\u003eThe day-date display is positioned at 3 o’clock.\u003c\/p\u003e\n\u003cp\u003eThe calendar provides both day and date information while maintaining the classic Seiko 5 dial layout.\u003c\/p\u003e\n\u003cp\u003eThe 4227 movement supports calendar adjustment in addition to its automatic and manual winding functions.\u003c\/p\u003e\n\u003cp\u003eCase Back Details\u003c\/p\u003e\n\u003cp\u003eThe watch features a solid screw-down stainless-steel case back.\u003c\/p\u003e\n\u003cp\u003eThe visible markings include:\u003c\/p\u003e\n\u003cp\u003eSEIKO\u003c\/p\u003e\n\u003cp\u003e370200\u003c\/p\u003e\n\u003cp\u003eWATER RESISTANT\u003c\/p\u003e\n\u003cp\u003eMADE IN JAPAN\u003c\/p\u003e\n\u003cp\u003eST. STEEL\u003c\/p\u003e\n\u003cp\u003e4227-00K0\u003c\/p\u003e\n\u003cp\u003eThe 4227-00K0 marking confirms the case\/reference configuration.\u003c\/p\u003e\n\u003cp\u003eThe serial number 370200 indicates July of a year ending in 3 under Seiko’s traditional serial-number system.\u003c\/p\u003e\n\u003cp\u003eThe serial number alone does not definitively establish the decade, so the exact production year should not be stated as confirmed solely from the serial.\u003c\/p\u003e\n\u003cp\u003eOriginal Two-Tone Bracelet\u003c\/p\u003e\n\u003cp\u003eThis example is fitted with an original Seiko integrated-style two-tone bracelet.\u003c\/p\u003e\n\u003cp\u003eThe bracelet combines stainless-steel construction with gold-tone centre accents, complementing the gold-tone detailing on the dial.\u003c\/p\u003e\n\u003cp\u003eBracelet Details\u003c\/p\u003e\n\u003cp\u003e* Brand: Seiko\u003cbr\u003e* Type: Integrated-style bracelet\u003cbr\u003e* Material: Stainless Steel with Gold-tone Accents\u003cbr\u003e* Reference \/ End-Link Code: 3250-B-E\u003cbr\u003e* Clasp: Fold-over\u003cbr\u003e* Clasp Marking: SEIKO\u003c\/p\u003e\n\u003cp\u003eThe original bracelet is an important part of the watch’s overall vintage character and completes the integrated case design.\u003c\/p\u003e\n\u003cp\u003eMade in Japan\u003c\/p\u003e\n\u003cp\u003eThe case back is clearly marked MADE IN JAPAN.\u003c\/p\u003e\n\u003cp\u003eFor collectors of vintage Japanese Seiko watches, the combination of the Made in Japan marking, vintage 4227 movement and distinctive period case design adds to the watch’s appeal.\u003c\/p\u003e\n\u003cp\u003eWhy You’ll Love It\u003c\/p\u003e\n\u003cp\u003e* Vintage Seiko 5 Automatic\u003cbr\u003e* Correct 4227-00K0 case reference\u003cbr\u003e* Made in Japan\u003cbr\u003e* Deep royal blue two-tone sunburst dial\u003cbr\u003e* Gold-tone dot hour markers\u003cbr\u003e* Gold-tone hands\u003cbr\u003e* Distinctive broad hooded\/bullseye-style bezel\u003cbr\u003e* Unusual integrated-style case architecture\u003cbr\u003e* Original Seiko two-tone bracelet\u003cbr\u003e* 3250-B-E bracelet\/end-link marking\u003cbr\u003e* 21-jewel Seiko 4227 movement\u003cbr\u003e* Automatic + manual hand-winding\u003cbr\u003e* Approx. 40-hour power reserve\u003cbr\u003e* 21,600 vph frequency\u003cbr\u003e* Practical day-date display\u003cbr\u003e* Recessed 4 o’clock crown\u003cbr\u003e* Compact approximately 35 mm case\u003cbr\u003e* Solid screw-down stainless-steel case back\u003cbr\u003e* MADE IN JAPAN marking\u003cbr\u003e* Strong vintage Japanese watch character\u003c\/p\u003e\n\u003cp\u003eImportant Note\u003c\/p\u003e\n\u003cp\u003eThis is a vintage mechanical watch. Due to its age and previous use, minor signs of wear may be present on the case, crystal, dial, hands and bracelet. Vintage mechanical watches can require periodic servicing, and timekeeping accuracy and power reserve may vary depending on the watch’s condition and service history.\u003c\/p\u003e\n\u003cp\u003eThe Seiko Caliber 4227 supports both automatic winding and manual hand-winding, which is a notable feature of this vintage movement.\u003c\/p\u003e\n\u003cp\u003eThe serial number 370200 indicates July of a year ending in 3. The serial number alone does not definitively establish the decade, so the exact production year should not be represented as confirmed solely from the serial.\u003c\/p\u003e\n\u003cp\u003eThe watch is sold in the condition shown in the photographs. Please review all photographs carefully for the exact cosmetic condition before purchase.\u003c\/p\u003e","brand":"Watchex India","offers":[{"title":"Default Title","offer_id":53937370530016,"sku":null,"price":8250.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0808\/9776\/9696\/files\/Vintage_Seiko_5_Automatic_Vintage_Ref._4227-00K0_Royal_Blue_Two-Tone_Dial_Watchex_India.jpg?v=1786449683","url":"https:\/\/watchexindia.com\/products\/vintage-seiko-5-automatic-vintage-ref-4227-00k0-royal-blue-two-tone-dial-watchex-india","provider":"Watchex India","version":"1.0","type":"link"}