Atlantic WORLDMASTER SUPER EXTRA Type: Men’s Antishock system: Incabloc Movement: Hand wound, Swiss Made, 21 Jewels, UNITAS 6300(N) Case type: Chromed Dial colour: Black Crystal: Acrylic glass Strap type: Leather Strap colour: Black, 20 mm Case width without the crown: 37 mm, with the crown: 39 mm Case thickness: 10 mm The watch is from the 1950s. The watch has an extremely precise Swiss UNITAS 6300(N) movement on 21 Jewels. Chromed case. Steel screw-down case back, signed. Sharp crown. A beautiful black case complete with original gilded hands, numerals and indexes – looks beautiful. The watch is preserved in a beautiful condition The watch has a 20 mm black leather strap (length: 240 mm). The watch looks nice. Please see the photos which are part of the description. The watch will be professionally packaged and shipped with a tracking number.