{"product_id":"seiko-quartz-7550-0010-jnr-eisenbahner-taschenuhr-仙鉄-showa-56-1981-sendai-railway-administration","title":"Seiko Quartz 7550-0010 – JNR Railwayman's Pocket Watch \"Sentetsu\" – Shōwa 56 \/ 1981 – Sendai Railway Administration","description":"\u003cp\u003e\u003cstrong\u003eNot a commemorative railway watch, but a genuine service watch from the Japanese National Railways.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis Seiko Quartz Ref. \u003cstrong\u003e7550-0010\u003c\/strong\u003e was used for professional service by what was then the state-owned Japanese railway, \u003cstrong\u003e日本国有鉄道 – Japanese National Railways (JNR)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe decisive indication is found on the case back:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e昭56\u003cbr\u003e1902\u003cbr\u003e仙鉄\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e昭56 – Shōwa 56 – corresponds to 1981.\u003c\/strong\u003e\u003cbr\u003eThe marking \u003cstrong\u003e仙鉄\u003c\/strong\u003e stands for the \u003cstrong\u003eSendai Railway Administration\u003c\/strong\u003e, documenting its actual use in the Japanese railway service. Comparable surviving “仙鉄” service watches are also expressly attributed to the Sendai Railway Administration in the specialized Japanese railway and vintage trade. \u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAs such, this piece possesses the exact provenance that distinguishes an ordinary Seiko pocket watch from a genuine Japanese railway watch.\u003c\/p\u003e\n\u003ch2\u003eThe Japanese Railway Watch\u003c\/h2\u003e\n\u003cp\u003ePocket watches remained professional working instruments for the Japanese railway for an exceptionally long time.\u003c\/p\u003e\n\u003cp\u003eThere was a practical reason for this: the watch could be placed in a defined position in the driver's cab and was therefore clearly legible at all times, independent of the train driver's hand position.\u003c\/p\u003e\n\u003cp\u003eThe characteristic dial follows this purpose consistently. Large black Arabic numerals, a precise minute track, and bold hands allow the time to be read at a glance.\u003c\/p\u003e\n\u003cp\u003eThe design remained remarkably traditional, even though modern quartz technology was operating inside.\u003c\/p\u003e\n\u003cp\u003eIt is precisely this contrast that makes the later JNR pocket watches so interesting: \u003cstrong\u003evisually a classic railway watch, technically a precision instrument of the quartz era.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eFrom mechanical railway chronometer to quartz watch\u003c\/h2\u003e\n\u003cp\u003eSeiko's history of professional railway watches stretches far back into the 20th century.\u003c\/p\u003e\n\u003cp\u003eIn the mechanical era, the so-called \"19 Seiko\" and its successors were particularly widespread on the Japanese railway. With the quartz revolution, Seiko transferred the proven railway format to high-precision electronic movements.\u003c\/p\u003e\n\u003cp\u003eRef. \u003cstrong\u003e7550-0010\u003c\/strong\u003e belongs to this generation.\u003c\/p\u003e\n\u003cp\u003eThe fact that the design remained almost unchanged even after the introduction of quartz technology shows how strongly it was determined by its function. A pocket watch was not built here out of nostalgia – the form had proven itself in actual railway operations.\u003c\/p\u003e\n\u003ch2\u003eCaliber 7550\u003c\/h2\u003e\n\u003cp\u003eInside, the \u003cstrong\u003eSeiko Caliber 7550\u003c\/strong\u003e, a Japanese quartz movement, is at work.\u003c\/p\u003e\n\u003cp\u003eQuartz technology was ideal for railway operations: compared to mechanical movements, it significantly reduced daily rate deviations and thus also the effort required for regular synchronization of service watches.\u003c\/p\u003e\n\u003cp\u003eTechnical progress was therefore not merely a selling point, but had immediate operational benefits.\u003c\/p\u003e\n\u003ch2\u003eDating and service engraving\u003c\/h2\u003e\n\u003cp\u003eThe serial number of this piece is \u003cstrong\u003e1N0267\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eAccording to the standard Seiko serial number system, \u003cstrong\u003e1N stands for November 1981\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis fits exactly with the service engraving \u003cstrong\u003e昭56\u003c\/strong\u003e, which is also 1981.\u003c\/p\u003e\n\u003cp\u003eThe serial number and the JNR marking on the back thus create a particularly consistent overall historical picture.\u003c\/p\u003e\n\u003ch2\u003eDesign and condition\u003c\/h2\u003e\n\u003cp\u003eThe case measures \u003cstrong\u003e50.2 mm excluding the crown and bow\u003c\/strong\u003e – exactly that large format typical of professional railway pocket watches.\u003c\/p\u003e\n\u003cp\u003eThe white dial features the characteristic large-format Arabic railway numerals. The black hands and the fine central seconds hand ensure excellent readability.\u003c\/p\u003e\n\u003cp\u003eThe case and case back show visible signs of wear. For a former service watch, these traces are not just due to age, but also part of their historical identity.\u003c\/p\u003e\n\u003cp\u003eMost importantly: the original engraving\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e昭56 1902 仙鉄\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eis still clearly visible.\u003c\/p\u003e\n\u003cp\u003eThe condition is shown unretouched in the product photos.\u003c\/p\u003e\n\u003ch2\u003eCollector's value\u003c\/h2\u003e\n\u003cp\u003eGenuine JNR railway watches with regional service engravings now form a specialized area of collecting.\u003c\/p\u003e\n\u003cp\u003eWhat is decisive here is not merely the reference 7550-0010, but specifically the \u003cstrong\u003everifiable railway provenance\u003c\/strong\u003e. Watches without a service engraving on the back must be classified historically differently than officially issued pieces.\u003c\/p\u003e\n\u003cp\u003eIn the specialized trade, such Seiko railway watches are now valued significantly higher than ordinary vintage quartz watches. In our own inventory, comparable JNR-7550-0010s have already sold for \u003cstrong\u003eEUR 349\u003c\/strong\u003e. \u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e Seiko\u003cbr\u003e\u003cstrong\u003eModel:\u003c\/strong\u003e Railway Pocket Watch \/ 鉄道時計\u003cbr\u003e\u003cstrong\u003eReference:\u003c\/strong\u003e 7550-0010\u003cbr\u003e\u003cstrong\u003eSerial number:\u003c\/strong\u003e 1N0267\u003cbr\u003e\u003cstrong\u003eDate of manufacture:\u003c\/strong\u003e November 1981\u003cbr\u003e\u003cstrong\u003eService year:\u003c\/strong\u003e Shōwa 56 \/ 1981\u003cbr\u003e\u003cstrong\u003eService engraving:\u003c\/strong\u003e 昭56 1902 仙鉄\u003cbr\u003e\u003cstrong\u003eAttribution:\u003c\/strong\u003e Sendai Railway Administration \/ JNR\u003cbr\u003e\u003cstrong\u003eMovement:\u003c\/strong\u003e Seiko 7550\u003cbr\u003e\u003cstrong\u003eWinding:\u003c\/strong\u003e Quartz \/ Battery\u003cbr\u003e\u003cstrong\u003eFunctions:\u003c\/strong\u003e Hour, minute, central seconds\u003cbr\u003e\u003cstrong\u003eCase diameter:\u003c\/strong\u003e 50.2 mm excluding crown\/bow\u003cbr\u003e\u003cstrong\u003eHeight:\u003c\/strong\u003e 14.9 mm\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 83 g\u003cbr\u003e\u003cstrong\u003eDial:\u003c\/strong\u003e White with black Arabic railway numerals\u003cbr\u003e\u003cstrong\u003eChain:\u003c\/strong\u003e none\u003cbr\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e Japan\u003c\/p\u003e\n\u003ch2\u003eWarranty (used)\u003c\/h2\u003e\n\u003cp\u003eThis is a used item. The limitation period for claims for defects under the statutory warranty is 12 months from delivery.\u003c\/p\u003e\n\u003ch2\u003eNote on water resistance\u003c\/h2\u003e\n\u003cp\u003eNo water resistance is guaranteed for this historical railway pocket watch. To protect the movement, the watch should not come into contact with water or moisture.\u003c\/p\u003e","brand":"Vintage \u0026 JDM (Japan Domestic Market)","offers":[{"title":"Default Title","offer_id":54197078786386,"sku":"A412","price":349.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0911\/3908\/0530\/files\/0D1DA32D-7750-4808-BC7E-97D90A6447ED.jpg?v=1786026059","url":"https:\/\/japanese-microbrands.com\/en\/products\/seiko-quartz-7550-0010-jnr-eisenbahner-taschenuhr-%e4%bb%99%e9%89%84-showa-56-1981-sendai-railway-administration","provider":"Japanese Microbrands - Mario Lenke","version":"1.0","type":"link"}