Seiko Cal. 6620 - 629

The Seiko 6620-629 represents an important milestone in Seiko's 1987 lineup. Powered by the 6620 caliber with 28j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-7be1b35a3308]

Also known as: Sportsmatic

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1987

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