Brand: Seiko
Collection: Seiko 5
Movement: Cal. 6309 automatic, 17 jewels
Case/reference family: 6309-521x — likely 6309-521R based on the dial marking
Display: Day/date at 3 o'clock
Day language: Arabic/English — consistent with the watch shown
Case: Stainless steel, cushion/TV-style
Bracelet: Stainless steel
Dial: Black/dark charcoal with gold accents
Era: Likely late 1970s–1980s