Seiko Cal. 6628 - 712

The Seiko 6628-712 represents an important milestone in Seiko's 1969 lineup. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-9dcc0da38d57]

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

13.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Silver

Jewels

33j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1969

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