Seiko Cal. 5644 - 372

The 5644-372 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5644 caliber with 32j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-b99cb28a4121]

Also known as: Rally, Silverwave

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

35mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

32j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1977

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