Seiko Cal. 6381 - 920

This Quartz model from 1968 features a 36mm PVD Black case. It features a Black dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-eeea958b2c8c]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

36mm

Case Thickness

8.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1968

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