Seiko Cal. 5639 - 343

The Seiko 5639-343 represents an important milestone in Seiko's 1982 lineup. The Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-8ae7dfed7679]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

14.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

20j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1982

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