Seiko Cal. 5638 - 929

This Spring Drive model from 1987 features a 38mm Hardlex-Coated Steel case. It features a Black dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-1488a19a21a6]

Also known as: UFO, Navigator

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1987

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