Seiko Cal. 6691 - 904

The Seiko 6691-904 represents an important milestone in Seiko's 1986 lineup. With its 18mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-60551ea557e3]

Also known as: Flighty

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

White

Jewels

30j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1986

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