Seiko Cal. 5644 - 273

The Seiko 5644-273 represents an important milestone in Seiko's 1984 lineup. With its 21mm lug width and 12.8mm profile, it sits comfortably on most wrists. [seikata-wm-38e7bc1cdc7c]

Also known as: Crown

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

34mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

White

Jewels

35j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1984

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