Seiko Cal. 5278 - 105

The 5278-105 is a sought-after Solar piece from Seiko's golden era. Powered by the 5278 caliber with 28j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-fdb00236f3c5]

Also known as: Emperor

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

14.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1990

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