Seiko Cal. 6390 - 491

The 6390-491 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 13.0mm profile, it sits comfortably on most wrists. [seikata-wm-72417a3d666c]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

13.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

170m

Dial Color

Black

Jewels

33j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1969

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