This classic Citizen 17 Jewels manual winding wristwatch from 1963 (as indicated by the caseback serial number "63-8552") is a timeless piece of Japanese horology. Featuring the reliable Caliber 2520 movement, this watch is fully mechanical and powered by hand-winding—ideal for collectors who appreciate traditional watchmaking.

Key Features:

• Movement: Citizen Cal. 2520, 17 Jewels, manual winding
  

• Year of Manufacture: 1963
  

• Case Material: Stainless steel (marked "Stainless Steel" on caseback)
  

• Dial Size: 35mm diameter (excluding crown)
  

• Dial: Aged off-white/cream tone with applied silver-tone hour indices and luminous dauphine-style hands
  

• Crystal: Acrylic
  

• Strap: Blue leather (replacement strap, crocodile-style texture)
  

• Caseback Engraving: "CITIZEN 2520, 4-200047-K, Stainless Steel, 63-8552"
  

• Lug Width: ~18mm