Seiko Cal. 6688 - 989

The 6688-989 is a sought-after Quartz piece from Seiko's golden era. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-d1af6473bfd9]

Also known as: Bullhead, Flighty

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

35mm

Case Thickness

15.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1976

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