Brand: Citizen Case Diameter: Approximately 35mm (excluding the crown) Lug Width: 18mm Wrist Size: Standard men's leather strap Movement: Quartz Specifications: 3 hands, day-date, screw-down crown Body Material: Stainless steel Strap: Leather, crocodile pattern, aftermarket strap Water Resistance: Unknown due to vintage nature Dial Color: Silver Strap & Body Color: Turquoise blue Accessories: None Condition: Vintage, working This is an old Citizen quartz watch, likely manufactured in 1979 based on the back number. The crown can be pulled out one step and turned inward to change the day of the week, turned outward to change the date, and pulled out two steps to adjust the time. Although it's a vintage piece, the quartz movement ensures good accuracy. Current water resistance is unknown. There are small scratches across the entire crystal. The scratches are noticeable depending on the light, but they don't affect normal use. It is currently running. The previous owner replaced the battery in September 2025. The strap also shows some signs of wear. There are no cracks or tears. Please refrain from purchasing if you are overly concerned about condition. Please understand that this is a used item. Citizen, Crystron, Old Quartz 70s, Working, 1979, Crocodile Pattern Turquoise Blue, Emerald Silver Wave, Casio Trontron, Seiko Crystal Seven, Dandy Seven, CRYSTRON