Seiko Cal. 6630 - 556

The 6630-556 is a sought-after Quartz piece from Seiko's golden era. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-c76ada9ddad5]

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

13.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

150m

Dial Color

Cream

Jewels

21j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1968

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