Seiko Cal. 6678 - 531

This Spring Drive model from 1969 features a 34mm Gold-Plated case. It features a Black dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-310ad0240201]

Also known as: UFO, Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Black

Jewels

22j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1969

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