Seiko Cal. 5634 - 878

The Seiko 5634-878 represents an important milestone in Seiko's 1978 lineup. It features a Burgundy dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-08c94b18fe04]

Also known as: Samurai

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Burgundy

Jewels

22j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1978

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