Seiko Cal. 6331 - 308

This Automatic model from 1968 features a 38mm PVD Black case. It features a White dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-d61febdbc5f5]

Also known as: Turtle, Shogun

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

38mm

Case Thickness

12.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

White

Jewels

22j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1968

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