Seiko Cal. 5231 - 324

The Seiko 5231-324 represents an important milestone in Seiko's 1979 lineup. It features a Silver dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-7af078629a1e]

Also known as: Monster

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

130m

Dial Color

Silver

Jewels

30j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1979

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