Seiko Cal. 6629 - 830

The Seiko 6629-830 represents an important milestone in Seiko's 1971 lineup. Powered by the 6629 caliber with 30j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-78368fd957da]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Champagne

Jewels

30j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1971

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