Seiko Cal. 6390 - 798

The Seiko 6390-798 represents an important milestone in Seiko's 1968 lineup. The Fixed bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-d3d7f7eb1d20]

Also known as: Tuna, Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

11.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

White

Jewels

34j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1968

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