Seiko Cal. 5644 - 197

Released in 1984, the Cal. 5644 with design code 197 was part of Seiko's domestic market collection. Powered by the 5644 caliber with 26j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-ea8f80abf027]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

10.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

White

Jewels

26j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1984

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