Seiko Cal. 5644 - 703

The Seiko 5644-703 represents an important milestone in Seiko's 1981 lineup. With its 19mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-a3da7de21074]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

12.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1981

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