Seiko Cal. 4432 - 247

This Spring Drive model from 1979 features a 42mm PVD Black case. It features a White dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-53412fd71b6b]

Also known as: Monster, Sumo

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

14.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

White

Jewels

34j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1979

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