Seiko Cal. 6231 - 340

The Seiko 6231-340 represents an important milestone in Seiko's 1983 lineup. The Coin-Edge bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-03a89bf9dd4f]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

9.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1983

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