Seiko Cal. 4590 - 103

This Solar model from 1975 features a 39mm Two-Tone case. Powered by the 4590 caliber with 34j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-55054c896975]

Also known as: Sumo, Emperor

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

39mm

Case Thickness

8.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1975

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