Seiko Cal. 5631 - 498

This Solar model from 1992 features a 37mm PVD Black case. It features a Black dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-29fd1570610a]

Also known as: Golden Tuna, Arnie

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Black

Jewels

24j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1992

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