Seiko Cal. 6131 - 777

The Seiko 6131-777 represents an important milestone in Seiko's 1976 lineup. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-40c495cb4c1e]

Also known as: Shogun

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

11.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1976

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