Seiko Cal. 6331 - 326

The Seiko 6331-326 represents an important milestone in Seiko's 1975 lineup. It features a Green dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-543e967d2043]

Also known as: Samurai

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Green

Jewels

19j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1975

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