Seiko Cal. 6331 - 247

The Seiko 6331-247 represents an important milestone in Seiko's 1990 lineup. It features a Black dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-8933e571ac95]

Also known as: Goldfeather, Navigator

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

12.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Black

Jewels

31j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1990

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