Seiko Cal. 6181 - 871

The Seiko 6181-871 represents an important milestone in Seiko's 1979 lineup. With its 18mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-13f73ce03ff4]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1979

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