Seiko Cal. 5284 - 305

This Spring Drive model from 1977 features a 40mm Stainless Steel case. With its 19mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-e8df5a4305d3]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

190m

Dial Color

Burgundy

Jewels

19j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1977

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