Seiko Cal. 5278 - 486

This Spring Drive model from 1991 features a 40mm Gold-Plated case. With its 19mm lug width and 14.2mm profile, it sits comfortably on most wrists. [seikata-wm-61d939d6fcf1]

Also known as: Sumo, Crown

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

14.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Champagne

Jewels

24j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1991

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