Seiko Cal. 6623 - 615

The Seiko 6623-615 represents an important milestone in Seiko's 1989 lineup. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-20ac3ae9f736]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

14.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1989

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