Seiko Cal. 5638 - 878

The Seiko 5638-878 represents an important milestone in Seiko's 1983 lineup. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-99f8e6f4681d]

Also known as: Pogue

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Black

Jewels

36j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1983

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