Seiko Cal. 5231 - 381

The 5231-381 is a sought-after Spring Drive piece from Seiko's golden era. The Coin-Edge bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-1652a2bfc88c]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

12.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Cream

Jewels

33j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1980

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