Seiko Cal. 5635 - 638

The 5635-638 is a sought-after Quartz piece from Seiko's golden era. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-136e6fdca1af]

Also known as: Shogun, Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

14.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

Champagne

Jewels

34j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1989

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