Seiko Cal. 3816 - 634

This Spring Drive model from 1989 features a 39mm Hardlex-Coated Steel case. It features a Cream dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-5850b4dc9510]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Cream

Jewels

32j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1989

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