Seiko Cal. 7181 - 315

The Seiko 7181-315 represents an important milestone in Seiko's 1983 lineup. The Fixed bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-07214ddc5eb6]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

Black

Jewels

17j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1983

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