Seiko Cal. 6668 - 904

The Seiko 6668-904 represents an important milestone in Seiko's 1989 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-f72302d6e8a2]

Also known as: Samurai

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1989

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