Seiko Cal. 6378 - 155

This Quartz model from 1968 features a 38mm Hardlex-Coated Steel case. It features a White dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-126ce4ccac64]

Also known as: World Timer, Crown

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

White

Jewels

26j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1968

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