Seiko Cal. 6688 - 286

The Seiko 6688-286 represents an important milestone in Seiko's 1971 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-b937ad9b62fa]

Also known as: Sea Horse

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

36mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1971

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