Seiko Cal. 6191 - 131

The Seiko 6191-131 represents an important milestone in Seiko's 1977 lineup. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-b8ba44ae1161]

Also known as: Tuna, Golden Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

45mm

Case Thickness

9.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

18j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1977

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