Seiko Cal. 5284 - 178

This Spring Drive model from 1982 features a 38mm Hardlex-Coated Steel case. Powered by the 5284 caliber with 29j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-7123e9211543]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Black

Jewels

29j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1982

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