Seiko Cal. 6131 - 199

The Seiko 6131-199 represents an important milestone in Seiko's 1989 lineup. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-f4c88bb6777a]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Navy

Jewels

17j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1989

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