Seiko Cal. 6331 - 136

This Quartz model from 1973 features a 45mm PVD Black case. It features a Green dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-857b667e00d7]

Also known as: Golden Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

45mm

Case Thickness

9.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1973

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