Seiko Cal. 5284 - 340

The Seiko 5284-340 represents an important milestone in Seiko's 1976 lineup. With its 20mm lug width and 14.6mm profile, it sits comfortably on most wrists. [seikata-wm-6e12074b480e]

Also known as: Pogue, Navigator

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

14.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Champagne

Jewels

32j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1976

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