Seiko Cal. 4539 - 552

This Solar model from 1973 features a 35mm Gold-Plated case. Powered by the 4539 caliber with 19j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-ed18fad06d35]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1973

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