Heuer Chronograph Bundeswehr Sternzeit Reguliert 1551 SGSZThe sidereal time watchWe are delighted to offer this incredibly rare Heuer Bund issued chronograph! The Bundeswehr were issued a good number of Heuer chronographs, but a very limited number were made that were regulated to sidereal time, an astronomical system that was sued in combat to ensure missiles were launched accurately. Read more in our story here. The black dial is in flawless condition and features the Sternzeit Reguliert text and a small T