Seiko Cal. 3881 - 680

The Seiko 3881-680 represents an important milestone in Seiko's 1977 lineup. With its 18mm lug width and 13.4mm profile, it sits comfortably on most wrists. [seikata-wm-7a4690e94fe7]

Also known as: Monster, Emperor

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

13.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Champagne

Jewels

33j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1977

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