{"product_id":"heuer-sternzeit-bundeswehr","title":"Heuer Sternzeit Reguliert Bundeswehr Chronograph 1551 SGSZ","description":"\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003eThe Watch\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"qJYHHd mp0vvc\" data-xid=\"aim-mars-turn-root\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-sfc-inited=\"2\" data-asrc=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, sans-serif; font-size: 14px; font-weight: 400; margin: 0px -0.22px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);' style=\"text-align: center;\"\u003e\n\u003cdiv data-tr-rsts=\"false\" class=\"tonYlb Uphzyf\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-wiz-uids=\"AOUblb_2b\" data-sfc-cb=\"\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, sans-serif; font-size: 14px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\n\u003cdiv data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, sans-serif; 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font-size: 16px; font-weight: 400; margin: 12px 0px 16px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003eThe Heuer Sternzeit Reguliert is a highly specialized, historically significant military chronograph issued to the \u003cstrong\u003eGerman Federal Armed Forces (Bundeswehr)\u003c\/strong\u003e for one year only in \u003cstrong\u003e1968\u003c\/strong\u003e. Based closely on the standard-issue reference 1550SG, this remarkably rare timepiece was purpose-built for the artillery and rocket corps. Its defining feature is a modified mechanical movement adjusted to track sidereal time—star time—rather than standard solar time. Because the Earth completes a rotation relative to the stars roughly four minutes faster than it does relative to the sun, the movement beats at a slightly accelerated rate. To prevent soldiers from confusing it with standard timepieces during field operations, the watch explicitly bears the bold text \"Sternzeit Reguliert\" directly on its matte black dial. \u003c\/div\u003e\n\u003cdiv class=\"n6owBd awi2gc\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-hveid=\"CAEIAxAA\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, sans-serif; font-size: 16px; font-weight: 400; margin: 12px 0px 16px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\u003c\/div\u003e\n\u003cdiv class=\"n6owBd awi2gc\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-hveid=\"CAEIAxAA\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, sans-serif; font-size: 16px; font-weight: 400; margin: 12px 0px 16px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003eIn the field, the chronograph served as a critical mathematical instrument rather than a simple daily watch. Tied to the deployment of long-range weaponry, it was used in tandem with precision tracking tools like theodolites to determine exact geographic orientations and target coordinates based on the positions of the stars. It is believed that only \u003cstrong\u003e50 to 150\u003c\/strong\u003e of the reference 1551 SGSZ were ever produced for these niche military units, the watch remains an incredibly elusive grail piece, even better this example is accompanied by the Original Bund Folder, paperwork and Sunglasses Case.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"sc-dJjYzT hpWFyH\"\u003e\u003cstrong\u003eThe Specs\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cbr\u003eAge: c.1968.\u003cbr\u003eMovement: Manual Wind with 30 min Flyback Chronograph.\u003cbr\u003eCalibre:\u003cspan\u003e Valjoux 230.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eTimekeeping: Very Good.\u003cbr\u003eService History: Fully Serviced in 2026.\u003cbr\u003eDial:\u003cspan\u003e Original Heuer Tritium Dial.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eCase: Stainless Steel.\u003c\/div\u003e\n\u003cdiv\u003eMeasurements: 42mm.\u003c\/div\u003e\n\u003cdiv\u003eBezel: Bi-Directional.\u003c\/div\u003e\n\u003cdiv\u003eWater Resistant?: No.\u003c\/div\u003e\n\u003cdiv\u003eHands: Original.\u003cbr\u003eCrystal:\u003cspan\u003e Original.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eCrown: Original Unsigned Crown and Pushers.\u003c\/div\u003e\n\u003cdiv\u003eStrap\/Bracelet: On a new 20mm\u003cspan\u003e Accurate Form Black Leather Strap.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eLug Width: 20mm\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cbr\u003e\u003cu\u003eGetting \u003c\/u\u003e\u003cu\u003eAcquainted\u003c\/u\u003e\u003cbr\u003e\u003cbr\u003e.\u003cbr\u003e\u003cstrong\u003eBits that stand out:\u003c\/strong\u003e\u003cbr\u003e- Very rare example.\u003cbr\u003e- In superb, all original condition.\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cspan\u003e- Flyback Chronograph Function.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cspan\u003e- Accompanied by Bund Folder.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cbr\u003e\u003cstrong\u003eNitty Gritty:\u003c\/strong\u003e\u003cbr\u003e- None.\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e.\u003cbr\u003e\u003cspan face=\"courier new, courier, lucida sans typewriter, lucida typewriter, monospace\"\u003eOverall this Bund is in Super Vintage condition.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cspan face=\"courier new, courier, lucida sans typewriter, lucida typewriter, monospace\"\u003eThe Dial is in very good condition.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cspan face=\"courier new, courier, lucida sans typewriter, lucida typewriter, monospace\"\u003eThe Case and the caseback have some minor scratches.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cspan face=\"courier new, courier, lucida sans typewriter, lucida typewriter, monospace\"\u003eCrystal is Original and in excellent condition.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cspan face=\"courier new, courier, lucida sans typewriter, lucida typewriter, monospace\"\u003eCrown and Pushers are Original.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cspan face=\"courier new, courier, lucida sans typewriter, lucida typewriter, monospace\"\u003eThe hands are in very good nick.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cspan face=\"courier new, courier, lucida sans typewriter, lucida typewriter, monospace\"\u003e\u003c\/span\u003e.\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cspan face=\"courier new, courier, lucida sans typewriter, lucida typewriter, monospace\"\u003e Photographed on a 7 inch Wrist.\u003c\/span\u003e\u003c\/div\u003e","brand":"Waecce ","offers":[{"title":"Default Title","offer_id":62650021282179,"sku":null,"price":11250.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/1638\/1901\/files\/IMG-3331_1.jpg?v=1789654995","url":"https:\/\/www.waecce.com\/products\/heuer-sternzeit-bundeswehr","provider":"Waecce ","version":"1.0","type":"link"}