Seiko Cal. 5611 - 658

The Seiko 5611-658 represents an important milestone in Seiko's 1985 lineup. With its 22mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-8ffe95460e2c]

Also known as: Sumo, Helmet

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Cream

Jewels

32j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1985

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