Seiko Cal. 6663 - 281

The Seiko 6663-281 represents an important milestone in Seiko's 1974 lineup. It features a Black dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-339229030316]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Black

Jewels

27j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1974

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