Seiko Cal. 5638 - 806

The 5638-806 is a sought-after Quartz piece from Seiko's golden era. It features a Black dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-59fe4668b004]

Also known as: Turtle, Samurai

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1993

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