Seiko Cal. 5639 - 894

The Seiko 5639-894 represents an important milestone in Seiko's 1978 lineup. Powered by the 5639 caliber with 17j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-3c470ac8cf71]

Also known as: Turtle, Shogun

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

60m

Dial Color

Burgundy

Jewels

17j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1978

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