Seiko Cal. 6178 - 426

This Spring Drive model from 1971 features a 44mm PVD Black case. It features a White dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-90120362a550]

Also known as: Silverwave, Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

White

Jewels

28j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1971

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