Seiko Cal. 6630 - 533

The Seiko 6630-533 represents an important milestone in Seiko's 1978 lineup. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-a0a2be42ae08]

Also known as: Golden Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

40mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Cream

Jewels

32j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1978

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