Seiko Cal. 6688 - 964

The Seiko 6688-964 represents an important milestone in Seiko's 1966 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-9bf787831bd1]

Also known as: Turtle, Crown

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

42mm

Case Thickness

13.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1966

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