Seiko Cal. 6331 - 383

The Seiko 6331-383 represents an important milestone in Seiko's 1971 lineup. It features a Green dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-69b4899e16e8]

Also known as: Pogue, Arnie

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Green

Jewels

34j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1971

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