Seiko Cal. 6668 - 157

Released in 1984, the Cal. 6668 with design code 157 was part of Seiko's domestic market collection. With its 20mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-ef5bb7652733]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Green

Jewels

35j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1984

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