Seiko Cal. 6191 - 931

The Seiko 6191-931 represents an important milestone in Seiko's 1968 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-3c911c2307b2]

Also known as: Sea Horse, Arnie

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

11.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1968

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