Seiko Cal. 5618 - 139

This Spring Drive model from 1988 features a 45mm Stainless Steel case. Powered by the 5618 caliber with 34j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-fb64c965dcd5]

Also known as: Rally, Silverwave

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

70m

Dial Color

Cream

Jewels

34j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1988

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