Seiko Cal. 6390 - 632

The 6390-632 is a sought-after Spring Drive piece from Seiko's golden era. With its 21mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-30135edf02ca]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Cream

Jewels

21j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1968

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