Seiko Cal. 5638 - 294

The Seiko 5638-294 represents an important milestone in Seiko's 1983 lineup. Powered by the 5638 caliber with 34j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-31b7ba7a3522]

Also known as: Sea Horse, Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

30m

Dial Color

Black

Jewels

34j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1983

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