Seiko Cal. 6621 - 642

The Seiko 6621-642 represents an important milestone in Seiko's 1984 lineup. It features a Black dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-59fce8905e5b]

Also known as: Sea Horse

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1984

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