Seiko Cal. 5664 - 527

The Seiko 5664-527 represents an important milestone in Seiko's 1973 lineup. Powered by the 5664 caliber with 28j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-e797b62708dd]

Also known as: World Timer

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

10.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Burgundy

Jewels

28j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1973

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