Seiko Cal. 6390 - 387

The Seiko 6390-387 represents an important milestone in Seiko's 1968 lineup. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-3c73aec448cf]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1968

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