Seiko Cal. 5618 - 179

This Spring Drive model from 1976 features a 39mm Stainless Steel case. The Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-9cb62e69f378]

Also known as: Helmet, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

120m

Dial Color

Burgundy

Jewels

29j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1976

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