Seiko Cal. 5628 - 641

The 5628-641 is a sought-after Spring Drive piece from Seiko's golden era. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-86b21fcaf039]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Black

Jewels

18j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1980

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