Vintage Seiko Rectangular Watch 5Y91-5020 R1 | Seiko Tank 。This elegant vintage Seiko Quartz ladies wristwatch features a classic rectangular gold-tone case and a refined black dial with simple hour markers. The watch is fitted with an integrated gold-tone mesh band, providing a sophisticated and comfortable fit. The dial clearly states \'SEIKO QUARTZ\'. The caseback is marked \'SEIKO BASE METAL ST. STEEL BACK IF20-5C00 JAPAN SF 8D1216\'. This watch is offered in pre-owned, vintage condition, showing signs of wear consistent with its age. Please review all images carefully for condition assessment. A new battery may be required upon arrival.