Seiko Cal. 6181 - 522

The Seiko 6181-522 represents an important milestone in Seiko's 1987 lineup. It features a Navy dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-e657dd618a6d]

Also known as: Monster, Sumo

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Navy

Jewels

22j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1987

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