Seiko Cal. 7031 - 618

The Seiko 7031-618 represents an important milestone in Seiko's 1980 lineup. With its 21mm lug width and 13.8mm profile, it sits comfortably on most wrists. [seikata-wm-f5af8369ed1d]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

13.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1980

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