Seiko Cal. 6668 - 930

Released in 1987, the Cal. 6668 with design code 930 was part of Seiko's domestic market collection. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-b7c3a7fd5ec9]

Also known as: Sumo, Bullhead

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

13.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Silver

Jewels

19j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1987

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