Seiko Cal. 6390 - 579

This Solar model from 1967 features a 37mm Titanium case. Powered by the 6390 caliber with 25j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-0c7c1f89030e]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

37mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Black

Jewels

25j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1967

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