Seiko Cal. 6631 - 323

This Quartz model from 1998 features a 41mm PVD Black case. With its 18mm lug width and 13.8mm profile, it sits comfortably on most wrists. [seikata-wm-3909be1e4570]

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

41mm

Case Thickness

13.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1998

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