Seiko Cal. 5278 - 240

This Automatic model from 1979 features a 34mm Hardlex-Coated Steel case. Powered by the 5278 caliber with 20j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-e83173dbd73d]

Also known as: Silverwave, Crown

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

14.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

White

Jewels

20j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1979

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