Seiko Cal. 6630 - 405

The Seiko 6630-405 represents an important milestone in Seiko's 1965 lineup. Powered by the 6630 caliber with 24j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-043bd917af91]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

130m

Dial Color

Black

Jewels

24j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1965

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