Seiko Cal. 6398 - 433

This Spring Drive model from 1978 features a 40mm Two-Tone case. With its 21mm lug width and 14.0mm profile, it sits comfortably on most wrists. [seikata-wm-1d5fd397a2c8]

Also known as: Pogue, Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1978

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