Seiko Cal. 5644 - 577

Released in 1987, the Cal. 5644 with design code 577 was part of Seiko's domestic market collection. It features a White dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-ffd0f751b716]

Also known as: Emperor, Flighty

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

11.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

White

Jewels

22j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1987

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