Seiko Cal. 5644 - 879

Released in 1992, the Cal. 5644 with design code 879 was part of Seiko's domestic market collection. With its 21mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-72c8df0bfd75]

Also known as: Rally, Sportsmatic

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

38mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Navy

Jewels

33j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1992

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