Seiko Cal. 5644 - 788

The 5644-788 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5644 caliber with 20j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-576f4fcc21f4]

Also known as: Monster

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Champagne

Jewels

20j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1979

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