Seiko Cal. 6631 - 712

This Kinetic model from 1989 features a 35mm Two-Tone case. With its 20mm lug width and 11.7mm profile, it sits comfortably on most wrists. [seikata-wm-70f1366a9c76]

Also known as: Monster, Rally

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

11.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

White

Jewels

33j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1989

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