Seiko Cal. 5231 - 307

This Quartz model from 1986 features a 36mm PVD Black case. It features a Green dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-b03d3e3b2a7f]

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

36mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

70m

Dial Color

Green

Jewels

20j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1986

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