Seiko Cal. 6638 - 557

This Spring Drive model from 1995 features a 36mm Gold-Plated case. It features a Silver dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-f74e940d7656]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

12.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Silver

Jewels

35j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1995

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