{"product_id":"seiko-5-sports-6119-6020-kaliber-6119-21-steine-suwa-seikosha-innenlunette-uber-die-krone-water-70-proof-november-1968-frisch-revidiert","title":"Seiko 5 Sports 6119-6020 – Caliber 6119, 21 jewels, Suwa Seikosha – internal bezel via crown, \"Water 70 Proof\" – November 1968 – freshly serviced","description":"\u003cp dir=\"ltr\"\u003eOne crown. Three functions.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eTurn it, and the black ring inside the watch turns with it. Push it, and the date advances. Pull it, and you set the time.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThis design is the hallmark of this reference—and the reason why it is significantly more sought after by collectors than the standard Seiko 5 models of the same years.\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003eThe internal bezel\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003eThe black ring with the 60-minute scale and the triangle at twelve o'clock is located \u003cstrong\u003eunder the crystal\u003c\/strong\u003e, not above it. It can be rotated via the recessed crown at four o'clock.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eIts practical utility is the same as that of a diver’s bezel: you set the triangle to the minute hand and read off the elapsed time—for parking meters, cooking times, meetings, or dives. The design advantage over an external rotating bezel is significant: the ring cannot be accidentally adjusted, it does not collect dirt, it does not wear out, and it does not compromise the case's water resistance.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe price for this was complexity. An internal bezel requires an additional gear system and a crown that performs two independent tasks. The fact that Seiko incorporated this into a watch in the Seiko 5 series—the lower third of their range—speaks volumes about the ambition of the years around 1968.\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003eWhat the Five means\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003eSeiko introduced the Seiko 5 in 1963, and the digit was not a model number but a promise—five features that every watch in the series had to meet:\u003c\/p\u003e\n\u003col dir=\"ltr\"\u003e\n\n\u003cli\u003e\u003cstrong\u003eAutomatic winding\u003c\/strong\u003e\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eDay and date display\u003c\/strong\u003e in a single window\u003c\/li\u003e\n\n\u003cli\u003e\u003cstrong\u003eWater resistance\u003c\/strong\u003e\u003c\/li\u003e\n\n\u003cli\u003e\u003cstrong\u003eRecessed crown at four o'clock\u003c\/strong\u003e\u003c\/li\u003e\n\n\u003cli\u003e\u003cstrong\u003eDurable case and movement\u003c\/strong\u003e\u003c\/li\u003e\n\n\n\u003c\/ol\u003e\n\u003cp dir=\"ltr\"\u003eThe fourth point is the one you feel on your wrist. The crown is not at three o'clock, where it would dig into the back of your hand with every movement, but recessed at four. You simply don't notice it anymore. And because it sits deeper in the case, it is better protected against impacts and water ingress.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe Seiko 5 thus became what made Seiko great in its own country: a watch that could do everything you needed, cost almost nothing, and ran for decades.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe \u003cstrong\u003eSports\u003c\/strong\u003e versions represented the more robust cases and higher water resistance within the series—in this case \u003cstrong\u003e70 meters\u003c\/strong\u003e, indicated on the dial as \"WATER 70 PROOF\" and on the case back as \"WATER PROOF.\"\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003eSuwa and Daini\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003eThe caliber 6119 comes from the \u003cstrong\u003eSuwa factory\u003c\/strong\u003e, recognizable by the small whirlpool symbol on the dial and case back.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eFor decades, Seiko maintained two completely separate production facilities that competed against each other: Suwa Seikosha in Nagano and Daini Seikosha in Tokyo. Suwa developed Grand Seiko, Daini developed King Seiko. What is rarely mentioned is that the same movements that worked on the top models also designed the mass-market calibers. The manufacturing discipline required for a Grand Seiko directly benefited the simple watches.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThis is precisely why a Seiko 5 from 1968, after an overhaul, runs reliably again today, while many European watches in the same price range have long since disappeared.\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003eThe caliber 6119 – and how to operate it\u003c\/h3\u003e\n\u003cul dir=\"ltr\"\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eAutomatic\u003c\/strong\u003e, 21 jewels\u003c\/li\u003e\n\n\u003cli\u003e\u003cstrong\u003e21,600 vibrations per hour\u003c\/strong\u003e\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eDay and date\u003c\/strong\u003e in a single window at three o'clock\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eQuick-set date\u003c\/strong\u003e by pushing the crown\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eInternal bezel control\u003c\/strong\u003e via the same crown\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eBilingual day wheel\u003c\/strong\u003e, Japanese and English\u003c\/li\u003e\n\n\u003cli\u003eManufactured by \u003cstrong\u003eSuwa Seikosha\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003eThree things you should know:\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eNo manual winding.\u003c\/strong\u003e The 6119 cannot be wound by hand. If the watch has been sitting for a while, you start it by gently swinging it; it will start running after a few seconds.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eDate yes, day of the week no.\u003c\/strong\u003e The caliber 6119 exists in several generations. The early versions—which include this watch from November 1968—have a quick-set feature exclusively for the date: you push the crown, and the date advances. The day of the week has no quick-set feature and is adjusted by turning the hands past midnight until the correct day appears. It was only in the later C-generation that both could be set via the crown. This is by design and not a defect.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eDo not change at night.\u003c\/strong\u003e As with all Seiko movements of this type, the calendar should not be changed between approximately 9 PM and 3 AM, as the switching mechanism is already engaged during this time.\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003eDial and case\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003eThe dial is divided into two parts: a silver surface in the center with a fine sunburst finish, and the lower-lying rotating black ring on the outside. This stepped structure gives the watch a sense of depth that flat dials lack.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe hour markers are applied, faceted batons with luminous material, accompanied by broad hands with luminous channels and a red central second hand with a counterweight ring—the only color accent besides the blue \u003cem\u003eSPORTS\u003c\/em\u003e lettering.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe dial is marked with the SEIKO logo and the \u003cstrong\u003e5 shield\u003c\/strong\u003e, below which are \u003cem\u003eSPORTS \/ WATER 70 PROOF \/ 21 JEWELS\u003c\/em\u003e as well as the Suwa symbol.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe bilingual day wheel follows the Japanese calendar convention: Sunday in red, Saturday in blue.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe stainless steel case has a cushion-shaped, softly rounded contour with a wide, flat-polished bezel—the typical case shape of the late 1960s. At 38 mm in diameter and 12.5 mm in height, it is more robustly dimensioned than the dress watches of the same time, yet remains very wearable on the wrist due to its 42.7 mm lug-to-lug measurement.\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003eCondition\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003eTechnically flawless. The watch was professionally overhauled in Japan in the spring\/summer of 2026—fully disassembled, cleaned, oiled, and regulated. The automatic winding, date quick-set, and internal bezel control function perfectly.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe dial is well-preserved for its age: the sunburst finish is even throughout, with no spots, discoloration, or signs of moisture. The lettering is complete and sharp, the applied indices are secure, the black bezel ring is undamaged and fully legible, and the calendar frame is intact.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe luminous material in the indices and hands has aged evenly to a warm grey-green and no longer glows. This is the norm for watches of this era—and because the aging here is consistent across the entire dial, it looks cohesive rather than patchy.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe crystal is clear. The stainless steel case shows age-appropriate signs of wear on the bezel, edges, and flanks. The case back shows scratches from opening and wearing; all engravings—reference 6119-6020, serial number, Suwa symbol—are complete and clearly legible.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eFitted with a third-party stainless steel bracelet in the style typical of the period with structured links; it is not the original Seiko bracelet.\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003eTechnical specifications\u003c\/h3\u003e\n\u003cul dir=\"ltr\"\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eBrand \/ Line:\u003c\/strong\u003e Seiko 5 Sports\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eReference:\u003c\/strong\u003e 6119-6020\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eSerial number:\u003c\/strong\u003e 8N5820\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eProduction date:\u003c\/strong\u003e November 1968\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eMovement:\u003c\/strong\u003e Seiko caliber 6119 (early version), automatic without manual winding, 21 jewels, 21,600 bph\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Suwa Seikosha, Japan\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eFunctions:\u003c\/strong\u003e Hours, minutes, central seconds, day and date, date quick-set via crown push, internal rotating bezel controllable via crown, bilingual day wheel (Japanese\/English)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eCase:\u003c\/strong\u003e Stainless steel, recessed crown at four o'clock, case back with “WATER PROOF” marking\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eDiameter (without crown):\u003c\/strong\u003e 38 mm\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 12.5 mm\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eLug-to-lug:\u003c\/strong\u003e 42.7 mm\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eLug width:\u003c\/strong\u003e 19 mm\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eWeight (incl. bracelet):\u003c\/strong\u003e 81 g\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eBracelet:\u003c\/strong\u003e Third-party stainless steel bracelet\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eCrystal:\u003c\/strong\u003e Acrylic crystal\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eOverhaul:\u003c\/strong\u003e Spring\/summer 2026, Japan – full disassembly, cleaning, oiling, regulation\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3 dir=\"ltr\"\u003eFor whom\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003eFor anyone looking for a watch with a mechanism that you can explain. An internal bezel controlled via the crown and a date quick-set via the same crown—that is engineering work that simply does not happen in a watch of this price range today.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eFor daily use. You set the triangle to the minute hand, and the watch keeps count—no battery, no app, and nothing to worry about.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eFor entry into the mechanical Seiko collection: the same movement from the same Suwa production as the significantly more expensive Lord Matic, in a case that you can wear rather than keep in a safe.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eAnd for anyone looking for a robust vintage watch. 70 meters of water resistance, a cushion-shaped case, and a protected crown were a bold statement for an everyday watch in 1968—and are the reason why this reference has survived fifty-six years.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWarranty (used)\u003c\/strong\u003e\u003cbr\u003eThis is a used item. The limitation period for claims for defects (statutory warranty) is 12 months from delivery.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eNote\u003c\/strong\u003e\u003cbr\u003eAs this is a vintage watch, water resistance cannot be guaranteed. 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":54781864968530,"sku":"A491","price":429.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0911\/3908\/0530\/files\/F84965A2-3F67-4721-8175-3FA28387A9D7.jpg?v=1789898169","url":"https:\/\/japanese-microbrands.com\/en\/products\/seiko-5-sports-6119-6020-kaliber-6119-21-steine-suwa-seikosha-innenlunette-uber-die-krone-water-70-proof-november-1968-frisch-revidiert","provider":"Japanese Microbrands - Mario Lenke","version":"1.0","type":"link"}