We present: The Longines 13ZN is a 1940 Longines design for a hand-wound chronograph. It replaced the Longines 13.33z caliber, which had been on the market since 1913. This movement features a traditional “Lepine” layout, which includes six bridges. -Brand: Longines vintage chronograph -Case: 36mm stainless steel (excluding crown), original snap-on case back -Movement: Original Longines Caliber 13 ZN -Crystal: Plexiglass -Crown: original -Bezel: smooth -Buttons: original steel -Dial: two-tone with two-color 100-unit scale -Hands: original blued steel -Strap/Bracelet: 18mm brown leather made in Italy, original 14mm buckle -Box and documents: our travel box (with 1-year warranty card) -Condition: excellent -Serviced: yes -Men's/Women's/Unisex: Men's Please contact me if you have any questions