Seiko Cal. 4558 - 306

The Seiko 4558-306 represents an important milestone in Seiko's 1987 lineup. With its 22mm lug width and 13.5mm profile, it sits comfortably on most wrists. [seikata-wm-43b13bd54447]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Titanium

Case Width

41mm

Case Thickness

13.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1987

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