Seiko Tank Ref. 11-3820

A mechanical hand-wound watch featuring a square gold-tone case and a silver dial. The model stands out with unusually wide 20 mm lugs for the strap, giving it a distinctive and solid presence on the wrist.
A unique vintage timepiece combining classic mechanical craftsmanship with an unconventional case design.

- Good condition with common usage wears on the case 
- Year 1977
- 27 mm
- Leather strap
- Mechanical in-house movement