Seiko Cal. 6398 - 543

The Seiko 6398-543 represents an important milestone in Seiko's 1980 lineup. The Fixed bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-1db05523dac6]

Also known as: Tuna, Flighty

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Navy

Jewels

25j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1980

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