Seiko Cal. 6131 - 658

The Seiko 6131-658 represents an important milestone in Seiko's 1980 lineup. The Bidirectional bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-270cd51508fc]

Also known as: Navigator, Sea Horse

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Champagne

Jewels

32j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1980

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