Seiko Cal. 5638 - 828

The Seiko 5638-828 represents an important milestone in Seiko's 1997 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-cdb91f8c0954]

Also known as: Rally, Crown

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1997

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