Seiko Cal. 6181 - 371

The Seiko 6181-371 represents an important milestone in Seiko's 1989 lineup. With its 21mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-87370e70bbb2]

Also known as: Sumo, Rally

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

45mm

Case Thickness

8.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Green

Jewels

35j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1989

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