Seiko Cal. 5638 - 427

The Seiko 5638-427 represents an important milestone in Seiko's 1976 lineup. It features a White dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-88d67d3c0f99]

Also known as: Rally, Emperor

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

38mm

Case Thickness

11.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

120m

Dial Color

White

Jewels

32j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1976

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