Seiko Cal. 5239 - 450

This Solar model from 1966 features a 40mm Stainless Steel case. Powered by the 5239 caliber with 24j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-75b57ce56c4c]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Cream

Jewels

24j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1966

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