Seiko Cal. 6390 - 100

The Seiko 6390-100 represents an important milestone in Seiko's 1988 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-7ebde9654fe6]

Also known as: Baby Tuna, Flighty

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1988

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