Seiko Cal. 4476 - 746

The Seiko 4476-746 represents an important milestone in Seiko's 1975 lineup. With its 18mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-a715902c0fa6]

Also known as: Sumo, Emperor

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1975

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