Seiko Cal. 6668 - 278

The Seiko 6668-278 represents an important milestone in Seiko's 1987 lineup. With its 20mm lug width and 8.7mm profile, it sits comfortably on most wrists. [seikata-wm-26276be69dd0]

Also known as: Monster, Rally

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

34mm

Case Thickness

8.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Navy

Jewels

34j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1987

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