1980 Seiko A547-5030 Alarm Chronograph LCD

Updated September 15, 2026

This is a notably collectible Seiko: the A547-5030 is widely regarded among collectors as one of the rarest and most sought-after of the Seiko A547 digital family, and one of the thinnest LCD watches Seiko produced. The stainless steel case houses an LCD module labeled "Seiko, Alarm-Chronograph," with a day-of-week display, date window, and four printed function labels (Alarm, Timer, Stop.W, Time) alongside four case-mounted pushers for Light/Start-Stop/Select and Lock/Lap-Reset/Set functions. The display module is marked "Japan T, A547-5050" and the case back is stamped "Seiko, Water Resist Stainless Steel, A547-5030, Japan F," with serial "0N0375." Case diameter measures approximately 33.31mm excluding the crown, and the watch retains its original Seiko-signed stainless steel bracelet with a Seiko-signed clasp. This watch has a new battery and is in mint, fully working condition as of the time of listing, with time, alarm, chronograph, and timer functions all operating; runtime and accuracy are not guaranteed long-term. Extended runtime without service is not guaranteed.

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