Seiko Cal. 6630 - 283

The Seiko 6630-283 represents an important milestone in Seiko's 1965 lineup. The Bidirectional bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-94a8b9e1c0ee]

Also known as: Sumo, Pogue

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

14.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Champagne

Jewels

20j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1965

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