Seiko Cal. 6390 - 389

The 6390-389 is a sought-after Spring Drive piece from Seiko's golden era. The Coin-Edge bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-5aab0e86328e]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

8.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Burgundy

Jewels

27j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1976

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