Glashutte Original Senator Navigator Observer 100-03-07-05-04 Open Case Back. Popular, but no longer produced Navigator with display case back and zeroing pusher. Its running perfectly and I cant find a scuff or scratch on it. See the photos and dont hesitate to ask questions. Its currently on a custom leather strap with a deployment clasp.The original GO strap and signed pin buckle are unused and included. Also included are the outer and inner boxes, booklet, hang tag and GO date pusher tool. The item "Glashutte Original Senator Navigator Observer 100-03-07-05-04 Open Case Back" is in sale since Monday, October 11, 2021. This item is in the category "Jewelry & Watches\Watches, Parts & Accessories\Watches\Wristwatches". The seller is "afs77" and is located in Saint Charles, Illinois. This item can be shipped to United States, Canada.