Seiko Cal. 5644 - 823

Released in 1985, the Cal. 5644 with design code 823 was part of Seiko's domestic market collection. Powered by the 5644 caliber with 24j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-ad122194c11e]

Also known as: UFO, Sea Horse

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

14.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

24j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1985

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