Seiko Cal. 6620 - 628

The Seiko 6620-628 represents an important milestone in Seiko's 1990 lineup. Powered by the 6620 caliber with 34j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-53d6393beaf0]

Also known as: Emperor, Flighty

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

8.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Green

Jewels

34j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1990

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