Seiko Cal. 5644 - 828

The 5644-828 is a sought-after Kinetic piece from Seiko's golden era. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-abbb907ace75]

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

42mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Burgundy

Jewels

19j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1971

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