Seiko Cal. 3881 - 657

This Spring Drive model from 1974 features a 39mm Gold-Plated case. With its 21mm lug width and 11.3mm profile, it sits comfortably on most wrists. [seikata-wm-b466dc8ed34e]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

29j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1974

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