The Seiko Almanac · by Tiny Hour Tales
Model reference

Seiko 51MW-020

other automatics (その他の自動巻グループ) · catalogued in 1968

Case
SS / SGP
Jewels
33
List price
¥17,000 (SS·WP·MB) / ¥19,500 (SGP·WP·MB)
Seiko 51MW-020 as pictured in the 1968 Seiko JDM Catalog No.2, page 18
From the 1968 Seiko catalogue, page 18View Page

Identifiers

Case–dial code
801-801

From the catalogue

Case
SS / SGP
Bracelet
MB
Jewels
33
Water resist.
WP
List price
¥17,000 (SS·WP·MB) / ¥19,500 (SGP·WP·MB)
Specs
automatic · hacking seconds · instant day-date change

51セイコーマチック ウィークデーター (51 Seikomatic Weekdater; dial: Seikomatic-P); 自動巻・秒針規正装置・瞬間日送装置付; 021 = same case/dial code, boxed 和 = day shown in Japanese characters (footnote: 和印は曜日が和文字です)

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