Seiko Cal. 6331 - 698

The Seiko 6331-698 represents an important milestone in Seiko's 1985 lineup. It features a Black dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-97b55567d7bd]

Also known as: Turtle

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1985

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