Seiko Cal. 6630 - 478

The Seiko 6630-478 represents an important milestone in Seiko's 1983 lineup. The Coin-Edge bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-2ac5c9407882]

Also known as: Golden Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

14.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

White

Jewels

35j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1983

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