Seiko Cal. 6390 - 642

The 6390-642 is a sought-after Spring Drive piece from Seiko's golden era. With its 22mm lug width and 13.7mm profile, it sits comfortably on most wrists. [seikata-wm-dad3ffc7718e]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

13.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Black

Jewels

34j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1997

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