Seiko Cal. 5644 - 754

The Seiko 5644-754 represents an important milestone in Seiko's 1972 lineup. Powered by the 5644 caliber with 25j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-bad20373866a]

Also known as: Pogue, Helmet

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

70m

Dial Color

Cream

Jewels

25j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1972

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