Seiko Cal. 6631 - 712

The 6631-712 is a sought-after Quartz piece from Seiko's golden era. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-02f6584f4f79]

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

40mm

Case Thickness

13.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

130m

Dial Color

White

Jewels

22j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1983

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