Seiko Cal. 6678 - 538

This Spring Drive model from 1989 features a 37mm PVD Black case. It features a Black dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-78a2de9634bd]

Also known as: Samurai

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Black

Jewels

22j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1989

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