Seiko Cal. 6645 - 698

The Seiko 6645-698 represents an important milestone in Seiko's 1969 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-c92b6979288b]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

44mm

Case Thickness

14.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1969

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