Brand: Seiko Model: Vintage Dress Watch Reference Number: 21-3210 Movement: Manual winding – Seiko mechanical movement Case Material: Stainless steel Case Dimensions: 32.5 × 34 mm (excluding crown) Case Shape: Square – diamond edge bezel design Caseback: Stainless steel, signed Seiko Dial: Professionally restored Tiffany blue sunburst dial with applied silver baton indices and minimalist logo layout Crystal: Acrylic Crown: Signed Seiko crown Strap: New brown genuine leather strap – approx. 19 cm (excluding case) Year of Manufacture: Circa 1970s Condition: Excellent restored condition – dial professionally refinished in Tiffany blue tone, case lightly polished, movement tested and working accurately Extras: No box or papers Gender: Unisex / Men’s Description A stylish and rare Seiko Ref. 21-3210 from the 1970s, featuring a unique diamond-edge square case and a stunning professionally restored Tiffany blue sunburst dial. This elegant piece represents Seiko’s 1970s design experimentation, blending sharp geometric lines with minimalist dial aesthetics. The refreshed metallic blue dial provides a luxurious modern look reminiscent of Tiffany-style tones. The compact 32.5 × 34 mm stainless steel case offers excellent wrist comfort and vintage character, complemented by a new brown leather strap for a refined finish. A perfect addition for collectors and enthusiasts who appreciate design-focused, tastefully restored Seiko watches. Service & Shipping All watches are carefully checked, cleaned, and tested before listing. Movement runs smoothly and keeps accurate time. Fast worldwide shipping via DHL / UPS / FedEx with tracking and insurance. Delivery within Europe: 2–5 days. Please note: Customs duties or import VAT (if applicable) are the buyer’s responsibility.