Seiko Cal. 6668 - 364

The 6668-364 is a sought-after Solar piece from Seiko's golden era. With its 21mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-7756dd35ed6c]

Also known as: Bullhead, World Timer

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

42mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Black

Jewels

23j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1976

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