Seiko Cal. 3866 - 178

This Quartz model from 1974 features a 46mm Gold-Plated case. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-2434a818a65a]

Also known as: Helmet, Emperor

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

12.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Black

Jewels

24j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1974

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