Seiko Cal. 5639 - 413

This Spring Drive model from 1991 features a 46mm Stainless Steel case. The Fixed bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-192a8500aca3]

Also known as: Navigator, Crown

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1991

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