Seiko Cal. 5668 - 754

This Spring Drive model from 1970 features a 46mm PVD Black case. With its 20mm lug width and 14.6mm profile, it sits comfortably on most wrists. [seikata-wm-44a01dc26d87]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

14.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Champagne

Jewels

24j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1970

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