Seiko Cal. 4477 - 428

This Automatic model from 1988 features a 34mm PVD Black case. With its 22mm lug width and 11.3mm profile, it sits comfortably on most wrists. [seikata-wm-e674336dff5a]

Also known as: Sumo, Sea Horse

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

34mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Black

Jewels

28j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1988

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