Seiko Cal. 5278 - 521

Released in 1987, the Cal. 5278 with design code 521 was part of Seiko's domestic market collection. With its 19mm lug width and 13.0mm profile, it sits comfortably on most wrists. [seikata-wm-361c6ed5de06]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

13.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Cream

Jewels

30j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1987

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