Seiko Cal. 6331 - 583

The Seiko 6331-583 represents an important milestone in Seiko's 1982 lineup. It features a Champagne dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-54a941080f60]

Also known as: Bullhead, Bellmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

42mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Champagne

Jewels

17j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1982

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