Seiko Cal. 4556 - 229

This Automatic model from 1977 features a 35mm Stainless Steel case. With its 19mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-562bc86e36ad]

Also known as: Sumo, Shogun

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

10.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Navy

Jewels

22j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1977

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