Atlantic WORLDMASTER ORIGINAL Type: Men’s Antishock system: Antichoc 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, 18 cm Case width without the crown: 37 mm Case thickness: 11 mm This is a 1970s watch. The watch features an extremely durable Swiss UNITAS 6300 (N) movement on 21 jewels, which shows time accurately. Chromed case. Steel screw-down case back, signed. Sharp crown. Black dial complete with original gilded indicators - it looks excellent. The watch has an 18 mm black leather strap (length 240 mm). Please see the photos which are part of the description. The watch will be professionally packaged and shipped with a tracking number.