Seiko Cal. 4477 - 356

The Seiko 4477-356 represents an important milestone in Seiko's 1977 lineup. With its 22mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-d1ca7bcc33ec]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

White

Jewels

28j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1977

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