Seiko Cal. 6623 - 720

The Seiko 6623-720 represents an important milestone in Seiko's 1969 lineup. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-17301091900f]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Black

Jewels

17j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1969

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