Seiko Cal. 6331 - 163

The Seiko 6331-163 represents an important milestone in Seiko's 1995 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-b90a65fc5ed9]

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

43mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1995

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