Seiko Cal. 6668 - 853

This Spring Drive model from 1985 features a 46mm PVD Black case. It features a Green dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-d9d6d9c36ff9]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1985

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