Seiko Cal. 7131 - 225

This Spring Drive model from 1988 features a 34mm Hardlex-Coated Steel case. It features a Silver dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-11835e74a81f]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Silver

Jewels

35j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1988

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