Seiko Cal. 6390 - 828

The Seiko 6390-828 represents an important milestone in Seiko's 1991 lineup. The Fixed bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-e398768dcbd9]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

34mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

Burgundy

Jewels

36j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1991

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