Seiko Cal. 6661 - 831

The Seiko 6661-831 represents an important milestone in Seiko's 1988 lineup. The Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-c7abbe14d2ce]

Also known as: Rally, Crown

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

39mm

Case Thickness

12.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

110m

Dial Color

Burgundy

Jewels

32j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1988

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