Seiko Cal. 6181 - 406

The Seiko 6181-406 represents an important milestone in Seiko's 1981 lineup. The Bidirectional bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-74a0c1e0da1a]

Also known as: Sumo, Shogun

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

38mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

White

Jewels

17j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1981

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