Seiko Cal. 5666 - 878

The Seiko 5666-878 represents an important milestone in Seiko's 1971 lineup. With its 18mm lug width and 14.7mm profile, it sits comfortably on most wrists. [seikata-wm-bf55882d1c39]

Also known as: Panda, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Navy

Jewels

23j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1971

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