Seiko Cal. 6649 - 393

This Spring Drive model from 1978 features a 35mm PVD Black case. It features a Navy dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-099d6a560dff]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

36j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1978

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