Seiko Cal. 6631 - 714

The Seiko 6631-714 represents an important milestone in Seiko's 1966 lineup. With its 20mm lug width and 14.8mm profile, it sits comfortably on most wrists. [seikata-wm-a4f64a543427]

Also known as: Goldfeather, Baby Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Green

Jewels

24j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1966

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