Seiko Cal. 3880 - 331

The Seiko 3880-331 represents an important milestone in Seiko's 1978 lineup. With its 18mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-efda323de3a4]

Also known as: Monster, Goldfeather

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

36j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1978

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