Seiko Cal. 5231 - 999

The Seiko 5231-999 represents an important milestone in Seiko's 1982 lineup. It features a Burgundy dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-4f56f4e20411]

Also known as: Turtle

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

11.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Burgundy

Jewels

18j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1982

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