Seiko Cal. 5285 - 478

This Solar model from 1971 features a 42mm Two-Tone case. Powered by the 5285 caliber with 31j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-1cc3daa40e9a]

Also known as: Rally, Emperor

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

42mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

White

Jewels

31j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1971

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