Seiko Cal. 5655 - 644

Released in 1981, the Cal. 5655 with design code 644 was part of Seiko's domestic market collection. The Fixed bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-db81be9f116d]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1981

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