Seiko Cal. 6620 - 309

The 6620-309 is a sought-after Kinetic piece from Seiko's golden era. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-5517cd7aae7a]

Also known as: Sumo, Emperor

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

44mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Cream

Jewels

26j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1979

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