Seiko Cal. 6394 - 431

This Spring Drive model from 1969 features a 39mm Gold-Plated case. With its 19mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-d0c8d7cff064]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

25j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1969

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