Seiko Cal. 3877 - 193

This Quartz model from 1978 features a 40mm Gold-Plated case. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-91f350952b2a]

Also known as: Helmet, Emperor

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1978

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