Seiko Cal. 5690 - 300

This Quartz model from 1967 features a 35mm Stainless Steel case. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-872322922103]

Also known as: Tuna, UFO

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1967

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