Seiko Cal. 6131 - 827

The Seiko 6131-827 represents an important milestone in Seiko's 1973 lineup. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-669c73075b20]

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Black

Jewels

29j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1973

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