Seiko Cal. 6630 - 543

The 6630-543 is a sought-after Spring Drive piece from Seiko's golden era. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-e7f129be9aa2]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

12.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Cream

Jewels

34j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1974

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