Seiko Cal. 5642 - 484

This Solar model from 1988 features a 36mm PVD Black case. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-a3d85fd2d6d0]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

36mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1988

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