Seiko Cal. 5644 - 567

Released in 1973, the Cal. 5644 with design code 567 was part of Seiko's domestic market collection. Powered by the 5644 caliber with 21j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-8e403c8b0c56]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Solar

Case Material

Titanium

Case Width

39mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1973

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