Seiko Cal. 5231 - 681

The Seiko 5231-681 represents an important milestone in Seiko's 1994 lineup. The Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-09d8df835ead]

Also known as: Monster, Silverwave

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Cream

Jewels

32j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1994

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