Seiko Cal. 6331 - 113

The Seiko 6331-113 represents an important milestone in Seiko's 1978 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-bb6c22479756]

Also known as: Helmet, Flighty

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

8.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1978

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