Wristwatch seiko prospex 1965 - Gem。Brand SEIKO Model Seiko Prospex Diver Scuba 1965 Heritage Gender Men\'s Material Stainless Steel / Stainless Steel Dial color blue Movement Automatic Ref Number SBDC221/6R55-00T0 Serial Number 08**/4000 Functions Date Accessories Outer &、Inner BOX(used)、Guarantee(card)、Operating Instructions 5 Extra Link (4cm/1.6inch) Case size About 40mm (1.6inch) (not including the crown) Wrist size About 17.5 + 4cm (6.9 + 1.6 inch) Lugs width 20mm(0.8 inch) Keeping time +11 sec/day(measured value)　※Reference value Guarantee information 2026/02/06