Seiko Cal. 6631 - 630

Released in 1988, the Cal. 6631 with design code 630 was part of Seiko's domestic market collection. It features a Champagne dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-c18ff01bce82]

Also known as: Rally, Silverwave

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

40mm

Case Thickness

13.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

18j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1988

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