Seiko Cal. 7131 - 515

The Seiko 7131-515 represents an important milestone in Seiko's 1974 lineup. It features a White dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-c48958999e95]

Also known as: Monster, Rally

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

White

Jewels

25j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1974

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