Seiko Cal. 4477 - 677

The Seiko 4477-677 represents an important milestone in Seiko's 1970 lineup. With its 19mm lug width and 8.7mm profile, it sits comfortably on most wrists. [seikata-wm-ee98c0abb616]

Also known as: Bullhead, Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

8.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Green

Jewels

17j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1970

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