Seiko Cal. 6668 - 774

Released in 1968, the Cal. 6668 with design code 774 was part of Seiko's domestic market collection. With its 18mm lug width and 13.8mm profile, it sits comfortably on most wrists. [seikata-wm-6bb75dec35f7]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

13.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1968

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