Seiko Cal. 5259 - 642

The Seiko 5259-642 represents an important milestone in Seiko's 1970 lineup. Powered by the 5259 caliber with 30j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-42894e60f586]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

15.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Black

Jewels

30j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1970

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