Seiko Cal. 6663 - 529

The Seiko 6663-529 represents an important milestone in Seiko's 1991 lineup. It features a Black dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-b28302257438]

Also known as: Helmet, Silverwave

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1991

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