Seiko Cal. 5644 - 587

The Seiko 5644-587 represents an important milestone in Seiko's 1977 lineup. Powered by the 5644 caliber with 35j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-d73456198680]

Also known as: Pogue

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

150m

Dial Color

Cream

Jewels

35j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1977

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