Seiko Cal. 6630 - 473

The Seiko 6630-473 represents an important milestone in Seiko's 1965 lineup. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-a2f2125df085]

Also known as: Tuna, Emperor

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

45mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Champagne

Jewels

17j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1965

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