Seiko Cal. 3897 - 924

The 3897-924 is a sought-after Automatic piece from Seiko's golden era. With its 18mm lug width and 11.3mm profile, it sits comfortably on most wrists. [seikata-wm-cc9bb6237a87]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1974

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