Seiko Cal. 6674 - 990

The Seiko 6674-990 represents an important milestone in Seiko's 1988 lineup. With its 20mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-102d717f5d40]

Also known as: Bullhead, UFO

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

20j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1988

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