Seiko Cal. 5644 - 588

The Seiko 5644-588 represents an important milestone in Seiko's 1969 lineup. Powered by the 5644 caliber with 18j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-85990690933c]

Also known as: Goldfeather, Bellmatic

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1969

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