Seiko Cal. 5644 - 820

Released in 1997, the Cal. 5644 with design code 820 was part of Seiko's domestic market collection. It features a White dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-cb86fc431ccf]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

White

Jewels

34j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1997

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