Seiko Cal. 4447 - 639

This Spring Drive model from 1988 features a 39mm Gold-Plated case. It features a Silver dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-0d8c8cb68523]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Silver

Jewels

33j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1988

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