Seiko Cal. 7131 - 138

The Seiko 7131-138 represents an important milestone in Seiko's 1997 lineup. It features a White dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-3998dbde75ac]

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

180m

Dial Color

White

Jewels

20j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1997

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