[WTS] Seiko Big Square – Reference 2140-3000

Seiko Big Square – Reference 2140-3000

Seiko - 2140-3000 · $750
A perfect example of bold 1970s Seiko design language, this oversized square case watch has tremendous wrist presence while maintaining clean minimalist styling.

  • Condition: Very good, with honest wear from age and use
  • Size: approximately 38mm square case
  • Wrist presence: tremendous
  • Functions: all operate as intended
Posted at
May 25, 2026, 10:13 PM
Active