Seiko Cal. 5628 - 918

This Spring Drive model from 1968 features a 34mm Hardlex-Coated Steel case. Powered by the 5628 caliber with 28j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-1a13f4b44aee]

Also known as: Silverwave, Navigator

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

14.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Champagne

Jewels

28j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1968

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