Seiko Cal. 5638 - 521

The 5638-521 is a sought-after Solar piece from Seiko's golden era. It features a Cream dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-14b564bac265]

Also known as: Navigator

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Cream

Jewels

18j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1991

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