Seiko Cal. 6628 - 475

The 6628-475 is a sought-after Kinetic piece from Seiko's golden era. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-6de3def4360c]

Also known as: Sumo, World Timer

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

39mm

Case Thickness

13.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1974

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