Seiko Cal. 6318 - 328

This Quartz model from 1976 features a 44mm PVD Black case. It features a Navy dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-51661ac9118a]

Also known as: Sumo, Helmet

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

44mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Navy

Jewels

26j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1976

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