Seiko Cal. 5231 - 507

This Solar model from 1986 features a 37mm Two-Tone case. It features a White dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-4b995605dd84]

Also known as: Helmet, Silverwave

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

37mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

70m

Dial Color

White

Jewels

27j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1986

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