Seiko Cal. 6331 - 389

This Quartz model from 1997 features a 34mm Hardlex-Coated Steel case. With its 20mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-f3e7f7eac673]

Also known as: Monster, Emperor

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Cream

Jewels

29j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1997

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