Seiko Cal. 5644 - 722

The Seiko 5644-722 represents an important milestone in Seiko's 1988 lineup. With its 19mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-19cd8fb07bcc]

Also known as: Goldfeather, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

13.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Silver

Jewels

23j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1988

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