Seiko Cal. 6678 - 156

The Seiko 6678-156 represents an important milestone in Seiko's 1991 lineup. With its 19mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-ff700a2c3dfe]

Also known as: Bullhead, Crown

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

40mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

White

Jewels

27j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1991

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