Seiko Cal. 3817 - 141

The Seiko 3817-141 represents an important milestone in Seiko's 1981 lineup. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-e0a27cb70574]

Also known as: Sumo, Emperor

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

40mm

Case Thickness

11.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Burgundy

Jewels

28j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1981

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