Seiko Cal. 5644 - 473

Released in 1967, the Cal. 5644 with design code 473 was part of Seiko's domestic market collection. Powered by the 5644 caliber with 22j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-04336e10c5d0]

Also known as: Emperor, Flighty

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

43mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1967

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