Seiko Cal. 6318 - 163

This Quartz model from 1967 features a 41mm PVD Black case. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-48f19eeba6ed]

Also known as: Sumo, Flighty

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

41mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

26j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1967

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