Seiko Cal. 6631 - 279

This Kinetic model from 1976 features a 41mm Two-Tone case. With its 18mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-1566262d30a2]

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

White

Jewels

29j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1976

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