Timestamp: [https://postimg.cc/KKGfny8k](https://postimg.cc/KKGfny8k) 1980 Seiko “Seagull” Royal Oak Tank Quartz – Penny Dial – Ref. 6030-5090 A rare gem from Seiko’s experimental design era, the 1980 Seiko “Seagull” Royal Oak Tank Quartz, reference 6030-5090, is a true collector’s piece. Nicknamed the “Penny Dial” for its rich copper-toned face, this watch blends Seiko’s precision quartz movement with a striking design language reminiscent of the Royal Oak, reinterpreted in a tank-style case. The brushed stainless steel case with polished accents flows seamlessly into the integrated bracelet, giving it a sleek, continuous profile. Its slim form and warm dial hue make it an elegant statement piece, perfect for collectors who appreciate unique vintage Seiko designs. 🔹Features: ▫️Model: Seiko “Seagull” Royal Oak Tank ▫️Reference: 6030-5090 ▫️Movement: Japanese Quartz ▫️Dial: Copper-toned “Penny” dial ▫️Case: Brushed stainless steel with polished detailing ▫️Bracelet: Integrated stainless steel ▫️Country of origin: Japan 🔹Measurements: ▫️Case width: \~33mm (excluding crown) ▫️Lug-to-lug: \~38mm ▫️Thickness: \~7.5mm