[WTS] Vintage Grand Seiko 56GS Case 36.5mm - 5645-7010 (1971 Date Only) and 5646-7010 (1973 Day-Date) Gold Cap

Vintage Grand Seiko 56GS Case 36.5mm - 5645-7010 (1971 Date Only) and 5646-7010 (1973 Day-Date) Gold Cap

Two vintage Grand Seiko 56GS case models, one date-only and the other day-date with English and Kanji days of the week. Both have slim automatic movements and are in good running order.

  • Condition: Good vintage condition
  • Case size: 36.5mm
  • Movement height: 4.5mm
Posted at
Apr 11, 2026, 11:03 AM
Active